Using O=C1NC(=O)c2ccccc21, O=[N+]([O-])c1cnccc1C1=CC(O)CCC1 to produce O=C1c2ccccc2C(=O)N1C1C=C(c2ccncc2[N+](=O)[O-])CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.