COc1cc2c3cc1Oc1c(OC)c(OC)cc4c1C(Cc1cccc(c1)Oc1ccc(c(O)c1)CC3N(C)CC2)N(C)CC4.Cl.Cl
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?