Using COc1ccc([C@H]2CO[C@H](C=O)CO2)cc1, CCCC(CO)CO to produce CCC[C@H]1CO[C@H]([C@@H]2CO[C@@H](c3ccc(OC)cc3)CO2)OC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.