Using COc1ccc(C(C)=O)c(NC(=O)C2=NC(C(F)(F)F)CS2)c1C to produce COc1ccc2c(O)cc(-c3nc(C(F)(F)F)cs3)nc2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.