COc1ccccc1CN(C)CCCN(C)CCCNCCC[n+]1c(-c2ccccc2)c2cc(N)ccc2c2ccc(N)cc21.[Cl-]
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 the negative log D of this molecule?