C[C@]12C(=O)N(c3ccc(F)cc3)C(=O)N1[C@@H]1c3ccccc3OC[C@@H]1[C@H]2c1ccccc1
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?