Using CI, CO[C@@H]1O[C@H](CO)[C@H]2OC(C)(C)O[C@@H]12 to produce COC[C@H]1O[C@@H](OC)[C@@H]2OC(C)(C)O[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.