Using COCCN(CC1=CCC(Oc2ccccc2)([N+](=O)[O-])C=C1)C(=O)C(Cl)Cl to produce COCCN(CC1=CCC(N)(Oc2ccccc2)C=C1)C(=O)C(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.