Using CCOC(=O)COc1ccc(Cl)cc1-c1ccc(S(=O)(=O)CC)cc1Cl to produce CCS(=O)(=O)c1ccc(-c2cc(Cl)ccc2OCC(=O)O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.