O=C(NN1C(=O)/C(=C/c2ccc(Cl)cc2)N=C1c1ccccc1)c1c(Cl)c(Cl)c(Cl)c(Cl)c1-c1nc2ccccc2[nH]1
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?