Using CCNCC, O=C(O)CCc1nc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12 to produce CCN(CC)C(=O)CCc1nc(-c2ccc([N+](=O)[O-])cc2)nc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.