C[C@@]12CC[C@@H]3c4ccc(O)cc4C[C@H](CCCCCCCCC[S+]([O-])CCCC(F)(F)C(F)(F)F)[C@H]3[C@@H]1CC[C@@H]2O
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?