CCOC(=O)C1=C(Nc2ccc(OC)cc2)S/C(=C\c2ccc(OCC(=O)O)c(OCC)c2)C1=O
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?