COc1ccc(N2CCN(C(=O)C(C)n3c(=O)cc(C(F)(F)F)c4c(C)nn(C)c43)CC2)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?