Using CN1C(=O)c2cccc(N(C)C(=O)NNc3ccc([N+](=O)[O-])cc3)c2C1=O to produce CN1C(=O)c2cccc(N(C)C(=O)NNc3ccc(N)cc3)c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.