COC1=CC(=O)c2c(O)c3c(c(O)c2C1=O)OC1(Oc2c(cc4cc(C)oc(=O)c4c2O)CC1O)C3O
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 log D of this molecule?