O=C(NCCc1c[nH]c2ccccc12)[C@@H]1C[C@H]1[C@@H](NP(=O)(c1ccccc1)c1ccccc1)c1ccccc1
The distribution coefficient ( LogD ) 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?