O=S1(=O)[C@@H](c2ccccc2)[C@H](N2CCCCC2)[C@H]1[C@H]1C[C@H]2c3ccccc3[C@@H]1c1ccccc12
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?