O=C(c1ccccc1)[C@@H]1[C@@H](C(=O)c2ccc(F)cc2)[C@@]2(C(=O)Nc3ccccc32)[C@H]2c3ccccc3C=CN12
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?