C[C@@H](CC(=O)O)OC1OC(COC(=O)C(C)(C)C)C(OC(=O)C(C)(C)C)C(OC(=O)C(C)(C)C)C1OC(=O)C(C)(C)C
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?