Using Brc1cnc(I)nc1, Oc1ccc(-c2ccc(OC(F)(F)F)cc2)cc1 to produce FC(F)(F)Oc1ccc(-c2ncc(Br)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.