C[N+](C)(C)CCC(=O)N1C/C(=C/c2ccccc2)C(=O)/C(=C\c2ccccc2)C1.[Br-]
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?