C/C(=N/NC(=S)Nc1ccc([N+](=O)[O-])cc1)c1cccc(/C(C)=N\NC(=S)Nc2ccc([N+](=O)[O-])cc2)n1
A negative logP value indicates preferential solubility in water and a positive value indicates an affinity for octanol. What is the negative logP of this molecule?