Cc1cc(CS(=O)(=O)/C=C/c2ccccc2[N+](=O)[O-])c(CS(=O)(=O)/C=C/c2ccccc2[N+](=O)[O-])cc1C
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?