Cc1ccc(N2C(=O)[C@H]3NN=C(C(=O)CN4C(=O)c5ccccc5C4=O)[C@H]3C2=O)c(C)c1
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?