O=C1OCCN1C(=O)[C@H]1[C@H](c2ccc([N+](=O)[O-])cc2)C(c2cccc(Cl)c2)=NN1c1ccc(Br)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?