Using NS(=O)(=O)C(F)(F)F, CCCCCCCCCCCCCCCCNc1ccc(C(=O)Cl)cc1 to produce CCCCCCCCCCCCCCCCNc1ccc(C(=O)NS(=O)(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.