C=CCC[C@@H](Cc1ccc(F)cc1)C(=O)OC[C@@H](NC(=O)[C@@H](CC=C)CC(=O)N[C@H](CO)Cc1ccccc1)C(C)(C)C
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?