CC(=O)NC(C=O)C(O[C@H](C)C(=O)NC(C)C(=O)NC(CCC(N)=O)C(=O)OCc1ccccc1)C(O)C(O)COC(=O)CCNc1c2ccccc2nc2cccc([N+](=O)[O-])c12
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?