O=C1c2ccccc2C(=O)N1c1nc(-c2ccc(Cl)cc2)cc(N2N=C(c3ccc(Br)cc3)CC2c2ccccc2)n1
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?