O=C(Nc1ccccc1[N+](=O)[O-])C(=O)C(C(=O)c1ccccc1-c1ccccc1)C1OC(=O)c2ccccc21
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?