Using Cc1ccc(S(=O)(=O)OCC(F)(F)F)cc1, Oc1ccc(Cc2cc(Br)ccc2Cl)cc1 to produce FC(F)(F)COc1ccc(Cc2cc(Br)ccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.