C=C1C(=O)O[C@H]2C(=O)[C@H](C)CCC[C@@](C)(O)/C=C\C[C@@]3(C)O[C@@H]3C[C@@H]12
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?