CC(=O)Oc1cc(C)c(OC(C)=O)c2c1[C@H]1CC[C@]3(C)[C@@H](OC(C)=O)CC[C@H]3[C@@H]1CC2
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?