Using Cc1cc(Cl)c(NN)cc1SCC(F)(F)F, CCOC(O)C(F)(F)F to produce Cc1cc(Cl)c(NN=CC(F)(F)F)cc1SCC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.