N#Cc1c(-c2ccc(Cl)cc2)cc(-c2ccc(Nc3ccnc4cc(Cl)ccc34)cc2)[nH]c1=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?