C=CC1=C(C)/C(=C/C2=N/C(=C\c3[nH]c(CC4NC(=O)C(C)/C4=C\C)c(C)c3CCC(=O)O)C(CC(=O)O)=C2C)NC1=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?