COC(=O)[C@@]12CCCCN1[C@H](c1ccc(-c3cccc(Cl)c3)c(OC)c1)[C@@H]1C(=O)N(C)C(=O)[C@@H]12.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?