[ Eq(Derivative(x1, t), 0),
  Eq(Derivative(x2, t), 0),
  Eq(Derivative(x3, t), 0),
  Eq(Derivative(x4, t), 0),
  Eq(Derivative(x5, t), 1*k1*(k2*k92*k91*k89*k95*k93*k90*k94 - k3*x5)/k1),
  Eq(Derivative(x6, t), 0),
  Eq(Derivative(x7, t), 0),
  Eq(Derivative(x8, t), 0),
  Eq(Derivative(x9, t), (-1)*k1*(k4*x5*x9*k96 - k5*x11)/k1),
  Eq(Derivative(x10, t), 0),
  Eq(Derivative(x11, t), (1*k1*(k4*x5*x9*k96 - k5*x11) + (-1)*k1*(k6*x11*k97 - k7*x13))/k1),
  Eq(Derivative(x12, t), 0),
  Eq(Derivative(x13, t), 1*k1*(k6*x11*k97 - k7*x13)/k1),
  Eq(Derivative(x14, t), ((-1)*k1*k8*x13*x14/(k9 + x14) + 1*k1*k10*x15 + (-1)*k1*k23*x28*x14/(k24 + x14))/k1),
  Eq(Derivative(x15, t), (1*k1*k8*x13*x14/(k9 + x14) + (-1)*k1*k10*x15 + 1*k1*k23*x28*x14/(k24 + x14) + (-1)*k1*(k27*x15*x30 - k28*x32) + (-1)*k1*(k31*x15*x34 - k32*x35) + (-1)*k1*(k35*x15*x37 - k36*x38) + 1*k1*k37*x32 + 1*k1*k38*x35 + 1*k1*k39*x38 + (-1)*k1*(k58*x15*x29 - k59*x49) + (-1)*k1*(k64*x15*x33 - k65*x50) + (-1)*k1*(k70*x15*x36 - k71*x51) + 1*k1*k85*x49 + 1*k1*k86*x50 + 1*k1*k87*x51)/k1),
  Eq(Derivative(x16, t), 0),
  Eq(Derivative(x17, t), 0),
  Eq(Derivative(x18, t), 0),
  Eq(Derivative(x19, t), ((-1)*k1*k13*x52*x19/(k14 + x19) + 1*k1*k15*x20)/k1),
  Eq(Derivative(x20, t), (1*k1*k13*x52*x19/(k14 + x19) + (-1)*k1*k15*x20 + (-1)*k1*(k16*x20 - k17*x21))/k1),
  Eq(Derivative(x21, t), 1*k1*(k16*x20 - k17*x21)/k1),
  Eq(Derivative(x22, t), 0),
  Eq(Derivative(x23, t), 0),
  Eq(Derivative(x24, t), (1*k1*k18*x21**2 + 1*k1*k19*k101 + (-1)*k1*k20*x24 + (-1)*k1*(k21*x24*k103*k105*k104*k98 - k22*x28) + 1*k1*k88*x39**2)/k1),
  Eq(Derivative(x25, t), 0),
  Eq(Derivative(x26, t), 0),
  Eq(Derivative(x27, t), 0),
  Eq(Derivative(x28, t), 1*k1*(k21*x24*k103*k105*k104*k98 - k22*x28)/k1),
  Eq(Derivative(x29, t), ((-1)*k1*(k25*x29*x31 - k26*x30) + (-1)*k1*(k58*x15*x29 - k59*x49) + 1*k1*k60*x46 + (-1)*k1*k61*x29 + (-1)*k1*(k62*x29 - k63*x40))/k1),
  Eq(Derivative(x30, t), (1*k1*(k25*x29*x31 - k26*x30) + (-1)*k1*(k27*x15*x30 - k28*x32) + (-1)*k1*k40*x30 + 1*k1*k78*x41)/k1),
  Eq(Derivative(x31, t), ((-1)*k1*(k25*x29*x31 - k26*x30) + (-1)*k1*(k29*x33*x31 - k30*x34) + (-1)*k1*(k33*x36*x31 - k34*x37) + 1*k1*k37*x32 + 1*k1*k38*x35 + 1*k1*k39*x38 + 1*k1*k40*x30 + 1*k1*k41*x34 + 1*k1*k42*x37 + (-1)*k1*(k43*x31 - k44*x39) + (-1)*k1*(k76*x49*x31 - k77*x32) + (-1)*k1*(k79*x50*x31 - k80*x35) + (-1)*k1*(k82*x51*x31 - k83*x38))/k1),
  Eq(Derivative(x32, t), (1*k1*(k27*x15*x30 - k28*x32) + (-1)*k1*k37*x32 + 1*k1*(k76*x49*x31 - k77*x32))/k1),
  Eq(Derivative(x33, t), ((-1)*k1*(k29*x33*x31 - k30*x34) + (-1)*k1*(k64*x15*x33 - k65*x50) + 1*k1*k66*x47 + (-1)*k1*k67*x33 + (-1)*k1*(k68*x33 - k69*x42))/k1),
  Eq(Derivative(x34, t), (1*k1*(k29*x33*x31 - k30*x34) + (-1)*k1*(k31*x15*x34 - k32*x35) + (-1)*k1*k41*x34 + 1*k1*k81*x43)/k1),
  Eq(Derivative(x35, t), (1*k1*(k31*x15*x34 - k32*x35) + (-1)*k1*k38*x35 + 1*k1*(k79*x50*x31 - k80*x35))/k1),
  Eq(Derivative(x36, t), ((-1)*k1*(k33*x36*x31 - k34*x37) + (-1)*k1*(k70*x15*x36 - k71*x51) + 1*k1*k72*x48 + (-1)*k1*k73*x36 + (-1)*k1*(k74*x36 - k75*x44))/k1),
  Eq(Derivative(x37, t), (1*k1*(k33*x36*x31 - k34*x37) + (-1)*k1*(k35*x15*x37 - k36*x38) + (-1)*k1*k42*x37 + 1*k1*k84*x45)/k1),
  Eq(Derivative(x38, t), (1*k1*(k35*x15*x37 - k36*x38) + (-1)*k1*k39*x38 + 1*k1*(k82*x51*x31 - k83*x38))/k1),
  Eq(Derivative(x39, t), (1*k1*(k43*x31 - k44*x39) + (-1)*k1*(k45*x40*x39 - k46*x41) + (-1)*k1*(k47*x42*x39 - k48*x43) + (-1)*k1*(k49*x44*x39 - k50*x45))/k1),
  Eq(Derivative(x40, t), ((-1)*k1*(k45*x40*x39 - k46*x41) + 1*k1*(k62*x29 - k63*x40))/k1),
  Eq(Derivative(x41, t), (1*k1*(k45*x40*x39 - k46*x41) + (-1)*k1*k78*x41)/k1),
  Eq(Derivative(x42, t), ((-1)*k1*(k47*x42*x39 - k48*x43) + 1*k1*(k68*x33 - k69*x42))/k1),
  Eq(Derivative(x43, t), (1*k1*(k47*x42*x39 - k48*x43) + (-1)*k1*k81*x43)/k1),
  Eq(Derivative(x44, t), ((-1)*k1*(k49*x44*x39 - k50*x45) + 1*k1*(k74*x36 - k75*x44))/k1),
  Eq(Derivative(x45, t), (1*k1*(k49*x44*x39 - k50*x45) + (-1)*k1*k84*x45)/k1),
  Eq(Derivative(x46, t), (1*k1*k51*k101 + 1*k1*k52*x39**2 + (-1)*k1*k53*x46)/k1),
  Eq(Derivative(x47, t), (1*k1*k54*k101 + (-1)*k1*k55*x47)/k1),
  Eq(Derivative(x48, t), (1*k1*k56*k101 + (-1)*k1*k57*x48)/k1),
  Eq(Derivative(x49, t), (1*k1*(k58*x15*x29 - k59*x49) + (-1)*k1*(k76*x49*x31 - k77*x32) + (-1)*k1*k85*x49)/k1),
  Eq(Derivative(x50, t), (1*k1*(k64*x15*x33 - k65*x50) + (-1)*k1*(k79*x50*x31 - k80*x35) + (-1)*k1*k86*x50)/k1),
  Eq(Derivative(x51, t), (1*k1*(k70*x15*x36 - k71*x51) + (-1)*k1*(k82*x51*x31 - k83*x38) + (-1)*k1*k87*x51)/k1),
  Eq(Derivative(x52, t), 1*k1*(k11*k92*k91*k89*k95*k100*k99*k98*k106 - k12*x52)/k1),
  Eq(Derivative(x53, t), 0) ]