O=C(NCCOC(=O)CCCCCCCCC(=O)OCCNC(=O)NC(=O)c1cn(Cc2ccccc2)c(=O)[nH]c1=O)NC(=O)c1cn(Cc2ccccc2)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?