CC(C)[C@@]1(NC(=O)[C@H]2C[C@H]3c4cccc5[nH]cc(c45)C[C@@H]3N(C)C2)O[C@]2(O)[C@H]3CCCN3C(=O)[C@H](Cc3ccccc3)N2C1=O.CS(=O)(=O)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?