Using Cc1ccc(S(=O)(=O)Cl)cc1, O=C1CC[C@@H](CO)O1 to produce Cc1ccc(S(=O)(=O)OC[C@@H]2CCC(=O)O2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.