COC(=O)C(Cc1c[nH]c2ccccc12)NC(=O)C(Cc1c[nH]c2ccccc12)NC(=O)C(Cc1c[nH]c2ccccc12)NC(=O)OC(C)(C)C
Molecular masses are calculated from the standard atomic weights of each element. What is the molecular mass of this molecule?