NC(=O)c1cc[n+](CC2=C(C(=O)[O-])N3C(=O)[C@@H](NC(=O)C(c4ccccc4)S(=O)(=O)[O-])[C@H]3SC2)cc1.O.[Na+]
A molecule with higher negative log P is water-soluble, while a molecule with lower negative log P is liposoluble. What is the negative log P of this molecule?