CC(C)C(C(=O)OCC(=O)c1cccc([N+](=O)[O-])c1)N1C(=O)[C@H]2[C@@H]3CC[C@@H](C3)[C@H]2C1=O
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?