COc1ccccc1N1CCN(S(=O)(=O)c2ccc(F)c(C(=O)Nc3ccc(Cl)cc3C(F)(F)F)c2)CC1
Molecules with a polar surface area of greater than 140 angstroms squared (Å2) tend to be poor at permeating cell membranes. What's the psa of this molecule?