Cc1cn([C@@H]2O[C@H](CO[Si](C)(C)C(C)(C)C)[C@]3(O[C@H]3C(=O)NN)[C@H]2O[Si](C)(C)C(C)(C)C)c(=O)[nH]c1=O
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?