Using OB(O)c1ccc(O)cc1, CS(=O)(=O)c1ccc(Br)c(F)c1 to produce CS(=O)(=O)c1ccc(-c2ccc(O)cc2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.