COC1/C=C\OC2(C)Oc3c(C)c(O)c4c(c3C2=O)C(=O)C=C(NC(=O)/C(C)=C\C=C/C(C)C(OC=O)C(C)C(O)C(C)C(OC(C)=O)C1C)C4=O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?