Using COC(=O)c1cccc(C)c1OS(=O)(=O)C(F)(F)F, OB(O)c1ccc(C(F)(F)F)cc1 to produce COC(=O)c1cccc(C)c1-c1ccc(C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.