O=C(NCCNCC(O)COc1ccc(O)cc1)N1CCOCC1.O=C(NCCNCC(O)COc1ccc(O)cc1)N1CCOCC1.O=C(O)/C=C/C(=O)O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?