O=C1C(c2ccccc2)=C(c2ccccc2)[C@H](c2ccccc2)[C@]1(Cc1nnn(-c2ccc([N+](=O)[O-])cc2)c1N1CCOCC1)c1ccccc1
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?