Clc1ccc(-c2ccc(-c3nnc(COc4ccc(OCc5nnc(-c6ccc(-c7ccc(Cl)cc7Cl)o6)o5)c(Cl)c4)o3)o2)c(Cl)c1
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?