O=C(OC1CO[C@H]2O[C@@H]1[C@H](OC(=O)c1ccccc1)[C@H]2OC(=O)c1ccccc1)c1ccccc1
The distribution coefficient ( Log D ) is important for the analysis of the drug candidate properties in various biologic media with different pH values.  What is the distribution coefficient of this molecule?