O=C(O)c1ccc2c(c1)C(=O)N(c1ccc(S(=O)(=O)c3ccc(N4C(=O)c5ccc(C(=O)O)cc5C4=O)cc3)cc1)C2=O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?