c1ccc(-c2cn(C[C@H]3CC[C@@H]([C@@H]4CC[C@H](Cn5cc(-c6ccccc6)nn5)O4)O3)nn2)cc1
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?