CC[C@H](C)[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@H](C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)O)C(C)C)C(C)C
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?