COc1ccc(C(=O)/C=C/c2ccc(OCCCCCCCCCCOc3ccc(/C=C/C(=O)c4ccc(OC)c(OC)c4)cc3)cc2)c(OC)c1
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?