Cn1c(-[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)nc2c([N+](=O)[O-])cccc21.[I-]
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?