Using O=S([O-])O, CCCCC(CC)COC(=O)C1CC=CCC1C(=O)OCC(CC)CCCC to produce CCCCC(CC)COC(=O)C1CCC(S(=O)(=O)[O-])CC1C(=O)OCC(CC)CCCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.