O=C(C[C@H]1C[C@H](C(=O)N2CCOCC2)[C@@]2(CCC3CCCC3)c3[nH]c4cc(-c5ccco5)ccc4c3CCN2C1=O)NCCC1=CCCCC1
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 log D of this molecule?