COC(=O)C(=O)C(C(=O)C1=NS(=O)(=O)c2cc(S(N)(=O)=O)c(Cl)cc2N1)c1nc2ccc(C(=O)c3ccccc3)cc2nc1O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?