C/C=C/C=C/C(=O)N1CC[C@]23c4ccccc4N[C@H]4N(C)c5cccc6c5[C@]42CCN([C@H]6C2OC2(C)C)[C@H]13
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?