CCN1C(=O)[C@H]2[C@@H](C)C3=C4C([C@H](C(=O)OC)C=C(C(=O)OC)C[C@H]4[C@H]2C1=O)C(CC)(CC)C3=O
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?