COc1ccccc1CN1C(=O)[C@@H]2C(CCC(N)=O)NC3(C(=O)Nc4c3ccc(Cl)c4C)[C@@H]2C1=O
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?