CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@H]3[C@@H]4C[C@H](N5CCCC5)[C@H](OC(C)=O)[C@@]4(C)CC[C@@H]32)C1
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?