Using COc1ccc(S(=O)(=O)Cl)cc1OC, O=C(CO)OCc1ccccc1 to produce COc1ccc(S(=O)(=O)OCC(=O)OCc2ccccc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.