C=CCOC(=O)N1c2ccc(O[Si](C)(C)C(C)(C)C)cc2[C@@]23O[C@]24[C@@H](C)CC(OC)(OC)[C@@]3(O)C#C/C=C\C#C[C@H]14
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?