O=C1N[C@H](Cc2c[nH]c3ccccc23)COC(=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?