COc1ccc(CN2CC(=O)N3[C@H]4c5cc(C)ccc5OC[C@@H]4[C@H](c4ccccc4)[C@]3(C)C2=O)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?