COc1ccc2c(ccc3c(C(=O)NCCCN(C)CCCNC(=O)c4cn(C)c5c4ccc4cc(OC)ccc45)cn(C)c32)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?