CN(C)[C@H]1CC[C@H]2[C@@H]3CCC4C[C@@H](NC(=O)NC(Cc5ccccc5)c5nccs5)CC[C@]4(C)[C@H]3CC[C@@]21C
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?