Using CC(=O)C(=CN(C)C)SC(F)(F)F, NNc1c(Cl)cc(C(F)(F)F)cc1Cl to produce Cc1c(SC(F)(F)F)cnn1-c1c(Cl)cc(C(F)(F)F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.