CC(=O)Nc1ccc2c3c(cc(O)c2c1)N(C(=O)CCCC(=O)Nc1ccc2c4c(cc(O)c2c1)N(C(=O)OC(C)(C)C)CC4CCl)CC3CCl
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?