Using COC1O[C@@H](C)[C@H](OC(C)=O)[C@@H]1OC(C)=O, CC(=O)O to produce CC(=O)OC1O[C@@H](C)[C@H](OC(C)=O)[C@@H]1OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.