Using CC(C)(C)OC(=O)CC(=O)CCc1ccc(-c2ccccc2)cc1 to produce CC(C)(C)OC(=O)CC(O)CCc1ccc(-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.