COc1ccc2cc1Oc1ccc(cc1)C[C@@H]1c3c(cc(OC)c4c3Oc3cc5c(cc3O4)CCN[C@H]5C2)CCN1C
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?