C[C@@H]1[C@H]2CCCC[C@H]2CN(C(=O)OC(C)(C)C)[C@@H]1c1cn(Cc2ccccc2)c2ccc(F)cc12
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?