C[C@@H]1C2C3=CCC4[C@]56CC[C@@](O)(OC5)C(C)(C)C6CC[C@@]4(C)[C@]3(C)CC[C@@]2(C(=O)O)CC[C@H]1C
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?