CCN1C[C@@H]2[C@@H]3C(=O)N(C)C(=O)[C@@H]3[C@](Cc3ccccc3)(C1=O)N2C(=O)c1ccccc1
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?