NC(=O)C(CC(=O)O)NC(=O)[C@@H]1CCCNc2c(I)cc([N+](=O)[O-])cc2C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc2ccc(O)cc2)C(=O)N1
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?