ClC(Cl)(Cl)C1=N[C@H]2[C@H](Br)[C@@H]3O[C@@H](c4ccccc4)[C@H](c4ccccc4)O[C@@H]3[C@H]2O1
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?