CC(=O)N1CCN(S(=O)(=O)c2cccc(C(=O)N3CCN(S(=O)(=O)c4c(C)c(C)cc(C)c4C)CC3)c2)CC1
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?