Using CCOC(Cc1ccc(C(=O)OCc2ccc(OS(C)(=O)=O)cc2)cc1)C(=O)OCC(Cl)(Cl)Cl to produce CCOC(Cc1ccc(C(=O)OCc2ccc(OS(C)(=O)=O)cc2)cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.