C[C@H]1CN([C@H](C)CO)C(=O)c2cccc(NS(=O)(=O)c3cn(C)cn3)c2O[C@@H]1CN(C)Cc1ccccc1
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?