O=C(C[C@H]1C[C@H](C(=O)N2CCOCC2)[C@@]2(CCC3CCCC3)c3[nH]c4cc(-c5ccco5)ccc4c3CCN2C1=O)NCCCn1ccnc1
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?