O=C(O)C1=CC[C@@H](c2ccc(Cl)cc2)N(S(=O)(=O)c2ccc(Cl)cc2)[C@H]1c1cccc(Cl)c1
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?