C[C@@H]1NC(=O)C/C=C\[C@@H](C)[C@@H]2C=C[C@H](O)[C@@H](COC(=O)[C@H](C)NC(=O)C/C=C\[C@@H](C)[C@@H]3C=C[C@H](O)[C@@H](COC1=O)O3)O2
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?