C=CC[C@@H](CC(=O)NCCO)C(=O)N[C@H](COC(=O)[C@@H](CC=C)Cc1ccc(F)cc1)Cc1c[nH]c2ccccc12
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?