Using Cc1ccc(S(=O)(=O)OCC(F)(F)F)cc1, COC(=O)c1ccc(O)c(Br)c1 to produce COC(=O)c1ccc(OCC(F)(F)F)c(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.