COc1cc2cc(C(=O)N3CC(CCl)c4ccc([N+](C)(C)Cc5ccccc5[N+](=O)[O-])cc43)[nH]c2c(OC)c1OC.[Cl-]
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?