CC(C)=CCc1c(O)c(CC=C(C)C)c2oc3c(c(=O)c2c1O)C(C=C(C)C)Oc1cc(O)ccc1-3
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?