COC(=O)[C@@H]1CC[C@H](C)[C@@H](c2ccc(C)cc2)N1C(=O)c1ccc(/C=N\O[C@@H](C)c2cn([C@H](CO)Cc3ccccc3)nn2)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?