CC(C)C[C@@H]1NC(=O)[C@H](C(C)C)NC(=O)c2cc([N+](=O)[O-])cc(I)c2OCC[C@@H](C(N)=O)NC1=O
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?