O=C([O-])CCC/C=C\C[C@H]1[C@@H](O)C[C@@H](O)[C@@H]1/C=C/[C@@H](O)COc1cccc(Cl)c1.[Na+]
A molecule with higher negative logP is water-soluble, while a molecule with lower negative logP is liposoluble. What is the negative logP of this molecule?