Using CC(=O)OC(C)=O, Cc1ccc(S(=O)(=O)OCC2CCC(O)O2)cc1 to produce CC(=O)OC1CCC(COS(=O)(=O)c2ccc(C)cc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.