O=C(Nc1ccc(Nc2ccc3c(c2)C(=O)c2ccccc2C3=O)c2c1C(=O)c1ccccc1C2=O)c1ccccc1
Log D is a distribution coefficient widely used to measure the lipophilicity of ionizable compounds, where the partition is a function of the pH. What is the negative logD of this molecule?