C[C@@]12C=CC(=O)C=C1CC[C@@H]1C2=CC[C@@]2(C)[C@H](C(=O)CN3CCN(c4cc(N5CCCC5)nc(N5CCCC5)n4)CC3)CC[C@H]12
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?