Using COC(=O)c1ccc(OC(=O)[C@@H]2CCCC[C@@H]2c2ccccc2)cc1OC to produce COc1cc(OC(=O)[C@@H]2CCCC[C@@H]2c2ccccc2)ccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.