Using CC1(C)OC[C@@H]2OC[C@@H](O)[C@@H](O)[C@H]2O1 to produce OC[C@@H]1OC[C@@H](O)[C@@H](O)[C@H]1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.