Using FCCBr, O=[N+]([O-])c1ccc2c(c1)CS(=O)(=O)N2 to produce O=[N+]([O-])c1ccc2c(c1)CS(=O)(=O)N2CCF, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.