Cc1nc(/N=N\c2cc(S(=O)(=O)[O-])c3cc([N+](=O)[O-])cc(S(=O)(=O)[O-])c3c2)c(COP(=O)([O-])[O-])c(C=O)c1O.[Na+].[Na+].[Na+].[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?