O=c1c(O)c(-c2ccc(O)c(O)c2)oc2c(OC[C@H]3O[C@@H](O)[C@@H](O)[C@H](O)[C@@H]3O)c(O)cc(O)c12
A negative Log P value indicates preferential solubility in water and a positive value indicates an affinity for octanol. What is the logP of this molecule?