O=C(c1ccccc1)c1ccc(N2C(=O)/C(=C/c3ccccc3S)N=C2c2ccccc2)c(N2C(=O)/C(=C/c3ccccc3S)N=C2c2ccccc2)c1
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?