CC1(C)OC2CC3C4CCC5=CC(=O)C=C[C@@]5(C)[C@]4(F)C(O)C[C@@]3(C)[C@]2(C(=O)CO)O1
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?