Using OCc1ccc(SC(F)(F)F)cc1, FC(F)(F)Sc1ccc(CBr)cc1 to produce FC(F)(F)Sc1ccc(COCc2ccc(SC(F)(F)F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.