Using O=[N+]([O-])c1ccc(Br)cc1F, CCOC(=O)C1(CN)CC1 to produce CCOC(=O)C1(CNc2cc(Br)ccc2[N+](=O)[O-])CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.