COc1cc(OC)c2c(-c3ccccc3)cc(=O)oc2c1C(CC(=O)N1CCN(c2ccccc2)CC1)c1ccc2c(c1)OCO2
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?