COc1cc([C@@H]2c3cc4c(cc3[C@@H](O[C@@H]3O[C@@H]5CO[C@@H](C)O[C@@]5(O)C[C@H]3O)[C@H]3COC(=O)[C@H]23)OCO4)cc(OC)c1O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?