Using CC(C)(C)OC(=O)COC[C@@H]1OC2(CCCCC2)O[C@@H]1C(O)CCO to produce CC(C)(C)OC(=O)COC[C@@H]1OC2(CCCCC2)O[C@@H]1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.