CC1(C)C[C@H]2C3=CCC4[C@@]5(C)CC[C@H](O)[C@@](C)(CO)C5CC[C@@]4(C)[C@]3(C)C[C@@H](O)[C@@]2(CO)[C@@H](O)[C@@H]1O
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?