CC[C@]12c3[nH]c4ccc(Cl)cc4c3CCN1C(=O)[C@@H](CC(=O)NCC13C[C@H]4C[C@@H](C1)C[C@@H](C3)C4)C[C@@H]2C(=O)N1CCN(C(=O)C2CC2)CC1
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?