Using CN(C)CCN1C(=O)c2ccc3[nH]c4ccc([N+](=O)[O-])cc4c3c2C1=O to produce CN(C)CCN1C(=O)c2ccc3[nH]c4ccc(N)cc4c3c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.