Using CN(CCN1CCCc2cc([N+](=O)[O-])ccc21)C(=O)Oc1ccccc1 to produce CN(CCN1CCCc2cc(N)ccc21)C(=O)Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.