CN1C[C@H](C(=O)N[C@]2(C)O[C@@]3(O)[C@H]4CCCN4C(=O)[C@@H](Cc4ccccc4)N3C2=O)C[C@H]2c3cccc4[nH]cc(c34)C[C@@H]21
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?