O=C(c1ccco1)N1CCN(c2c([N+](=O)[O-])nn(-c3ccc(Cl)cc3)[n+]2[O-])CC1
For non-ionizable compounds Log P = Log D throughout pH range, whereas for ionizable compounds Log D takes into account the partition of both ionized and non-ionized forms. What is the negative log D of this molecule?