O=C(Nc1ccccc1)OC1OC(COC(=O)c2ccccc2)C(OC(=O)c2ccccc2)C1OS(=O)(=O)c1ccc([N+](=O)[O-])cc1
The distribution coefficient (Log D) is important for the analysis of the drug candidate properties in various biologic media with different pH values. What is the negative log D of this molecule?