Using CC(=O)c1cc(Cl)c(C)c(Br)c1OS(=O)(=O)C(F)(F)F, OB(O)c1cc(F)cc(F)c1 to produce CC(=O)c1cc(Cl)c(C)c(Br)c1-c1cc(F)cc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.