CC1=C[C@H]2[C@@H]3C(=O)N(c4ccc5c(c4)OCO5)C(=O)[C@@H]3[C@H](C(=O)c3ccccc3)N2c2ccc(Cl)cc21
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?