Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)N1CCC(NC(=O)OCc2ccccc2)(C(F)(F)CO)C1 to produce CC(C)(C)OC(=O)N1CCC(NC(=O)OCc2ccccc2)(C(F)(F)COS(C)(=O)=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.