Cl.O=C1N[C@@H]([C@H]2CC[C@H](Cl)CN2)C(=O)N[C@H]1[C@H]1CC[C@H](Cl)CN1
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?