CO[C@H]1C[C@@H]2C[C@H](O)C[C@@H](CC(=O)O[C@@H](/C=C\CC(C)C)C[C@@H]3CC[C@H](C)[C@@H](C1)O3)O2
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?