Using CN1C(=O)Cc2cc3c(cc21)OCCO3, O=[N+]([O-])c1ccccc1F to produce CN1C(=O)C(c2ccccc2[N+](=O)[O-])c2cc3c(cc21)OCCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.