CC(C)C[C@H](NC(=O)c1[nH]cnc1C(=O)N[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1)C(=O)OCc1ccccc1
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?