Using COC(=O)COC[C@@H]1OC(C)(C)O[C@@H]1C(O)C(C)O to produce COC(=O)COC[C@@H]1OC(C)(C)O[C@@H]1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.