CC(C)(C)C(=O)O[C@H]1CC[C@@]2(C)C(=CC(=O)C3C4C[C@H](F)C(=O)[C@@]4(C)CCC32)C1
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?