COC1/C=C\O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c(C=NN5CCN(C)CC5)c(O)c4c3C2=O)NC(=O)/C(C)=C\C=C/C(C)C(O)[C@@H](C)C(O)C(C)[C@H](OC(C)=O)C1C
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?