Using O=C(NNC(=O)c1cc(OCc2ccc3ccccc3c2)cc([N+](=O)[O-])c1)c1ccccc1 to produce Nc1cc(O)cc(C(=O)NNC(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.