COc1cc(OC)cc(C(=O)N2CCC(N3CCN(c4ccccc4OC)CC3)CC2)c1.O=C(O)C(F)(F)F
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?