COC(=O)[C@@]1(Cc2ccccc2)[C@H]2C(=O)N(Cc3ccccc3)C(=O)[C@H]2[C@H]2CN=C(SC)N21.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?