O=[N+]([O-])c1cccc(-c2csc(N/N=C3\NC/C(=C/c4ccc5c(c4)OCO5)S3)n2)c1
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?