COc1ccc(NC(=O)N(C)C[C@H]2Oc3c(NC(=O)NC(C)C)cccc3C(=O)N([C@H](C)CO)C[C@@H]2C)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?