Using CNc1cc(-n2ccc(OCc3ccc(Cl)cc3)cc2=O)ccc1[N+](=O)[O-] to produce CNc1cc(-n2ccc(OCc3ccc(Cl)cc3)cc2=O)ccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.