Using O=Cc1ccc(C(F)(F)F)cc1, Cc1sc(C)c(Br)c1Br to produce Cc1sc(C)c(C(O)c2ccc(C(F)(F)F)cc2)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.