C[C@@]12C(=O)N(Cc3ccc(-c4ccccc4)cc3)CC(=O)N1[C@H](/C=C/c1ccccc1)[C@@H]1C(=O)N(c3ccccc3)C(=O)[C@@H]12
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?