Using Brc1cncc2ccccc12, O=C1NCCc2ccc(C(F)(F)F)cc21 to produce O=C1c2cc(C(F)(F)F)ccc2CCN1c1cncc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.