NC(=O)C1(NC(=O)[C@@H]2CC3(CC(c4cccc(NC(=O)c5cc([N+](=O)[O-])cc([N+](=O)[O-])c5)c4)=NO3)CN2C(=O)c2ccccc2)CC1
A negative log P value indicates preferential solubility in water and a positive value indicates an affinity for octanol. What is the negative log P of this molecule?