C=C1C(=O)O[C@@H]2C[C@@H](C)[C@@H]3[C@@H](OC4OC(COC(C)=O)C(O)C(O)C4O)CC(=O)[C@@]3(C)C[C@H]12
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?