Using NN(C(=O)C(F)(F)F)c1ccc(/C=C/c2ccc(C(F)(F)F)cc2)cn1 to produce NNc1ccc(/C=C/c2ccc(C(F)(F)F)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.