COC(=O)[C@@]1(C#N)[C@@H]2C=CC(C(C)=O)=CN2[C@@H](C(N)=O)[C@@H]1c1ccc(F)cc1
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?