CCN1C(=O)[C@H]2[C@@H](C1=O)[C@H]1CN=C(SCc3ccc(C(=O)OC)cc3)N1[C@@]2(Cc1ccccc1)C(=O)OC.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?