O=C1NC[C@@H](c2ccccc2)OC(=O)[C@@H](Cc2ccc(F)cc2)C/C=C\C[C@@H]1CC(=O)N(CCO)Cc1ccccc1
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?