Using CC(=O)OC(C)=O, NCCS(=O)(=O)c1ccc(Cl)cc1NS(=O)(=O)c1ccc(Cl)c(C(F)(F)F)c1 to produce CC(=O)NCCS(=O)(=O)c1ccc(Cl)cc1NS(=O)(=O)c1ccc(Cl)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.