CC(=O)OC[C@@H]1O[C@H](C/C=N\O[C@@H](C)CN2CCCCc3nc(C)c(C)cc32)C=C[C@@H]1OC(C)=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?