C=C(O)CCC/C=C\C[C@H]1[C@@H](O)C[C@H](F)[C@@H]1/C=C/[C@H](O)C1Cc2ccccc2C1
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?