CCSc1ccc([C@@H]2[C@@H]3C(=O)N(CC)C(=O)[C@@H]3[C@]3(C(=O)OC)CCCCN23)cc1OC.O=C(O)C(F)(F)F
Molecules with a polar surface area of greater than 60 angstroms squared (Å2) is hard to pass brain blood barrier. What's the psa of this molecule?