CN1C(=O)[C@H]2[C@@H](C1=O)[C@@H](C1CC1)N1C(=O)CN(Cc3ccccn3)C(=O)[C@@]21Cc1ccccc1
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?