C[C@]12CC[C@H]3[C@@H](CC=C4C[C@@H](OS(=O)(=O)[O-])CC[C@@]43C)[C@@H]1CCC2=O.O.[Na+]
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?