Using CNC(=O)C1(c2ccccn2)COc2cccc([N+](=O)[O-])c2N1 to produce CNC(=O)C1(c2ccccn2)COc2cccc(N)c2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.