O=C1/C(=C\c2ccccc2)C2/C(=C\c3ccccc3)C(=O)/C(=C\c3ccccc3)C2/C1=C\c1ccccc1
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?