CC1CCC2C(=O)N3C(CCC(C)[C@@H]3c3cccc(N4CCOCC4)c3)C(=O)N2C1c1cccc(N2CCOCC2)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?