CC(C)(C)OC(=O)NCc1ccc(CNC(=O)c2[nH]cnc2C(=O)N[C@@H](Cc2ccccc2)C(=O)OCc2ccccc2)cc1
Heavy atom refers to any atom that is not hydrogen. The heavy atoms in molecules are carbon, oxygen, nitrogen, and sulfur. How many heavy atoms are in the molecule?