CN1C2=CC=CC=CC2=[N+](C)C12C([N+](=O)[O-])=CC(=[N+]([O-])[O-])C=C2[N+](=O)[O-]
LogP, or octanol-water partition coefficient, is a measure of how hydrophilic or hydrophobic a molecule is. What is the negative logarithm of the partition coefficient of this molecule?