CC1=C(C(=O)NNS(=O)(=O)c2ccc(C)cc2)CC(C(=O)NNS(=O)(=O)c2ccc(C)cc2)=C(C)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?