O=[N+]([O-])c1ccc(N2N=C(c3ccc4ccccc4c3O)CC2c2ccc(Cl)cc2)c([N+](=O)[O-])c1
For non-ionizable compounds Log P = Log D throughout pH range, whereas for ionizable compounds LogD takes into account the partition of both ionized and non-ionized forms.  What is logD of this molecule?