CC(=O)O[C@H]1CC[C@@]2(C)C(=C/C(=N\[N+](=O)[O-])[C@@H]3C2CC[C@@]2(C)C3CCC2[C@H](C)CCCC(C)C)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?