FC(F)(F)c1ccc(C2[C@H]3CN(CC4CCCCC4)[C@H](c4ccccc4)C34CC2(c2ccccc2)C4)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?