CCCCCCCCCCCCCC(=O)OC(/C=C/C(C)C)C(O)C(O)C(OC)C(=O)NC1CCCCNC1=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?