Using NNc1ccccc1Cl, O=C(C=Cc1ccc(Br)cc1)C(F)(F)C(F)(F)F to produce FC(F)(F)C(F)(F)C1=NN(c2ccccc2Cl)C(c2ccc(Br)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.