O=C(CN1CCN(C(=O)OCc2ccccc2)CCN(CC(=O)N2CCCCC2)CCN(C(=O)OCc2ccccc2)CC1)N1CCCCC1
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?