O=C(OC1Cc2c(O)cc(O)cc2OC1c1cc(O)c(=O)c2c(O)c(O)cc(C3Oc4cc(O)cc(O)c4CC3OC(=O)c3cc(O)c(O)c(O)c3)c2c1)c1cc(O)c(O)c(O)c1
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?