CC(C)C[C@@H](CNCC(=O)[C@H](CC(C)C)NC(=O)c1[nH]cnc1C(=O)N[C@@H](C)CN)NC(=O)c1[nH]cnc1C(=O)N[C@@H](CC(C)C)C(=O)O.Cl
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?