COc1ccc(Nc2c(C#N)c3n(c4ccccc24)c2ccccc2[n+]3C)cc1OC.Cc1ccc(S(=O)(=O)[O-])cc1
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?