Using CCN(CCO)CCN1C(=O)c2ccccc2C1=O, O=[N+]([O-])c1ncccc1O to produce CCN(CCOc1cccnc1[N+](=O)[O-])CCN1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.