COc1cc2c(cc1OCCCCCOc1cc3c(cc1OC)C(=O)N1CCC[C@H]1CN3)N=C[C@@H]1CCCN1C2=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?