O=C(c1ccc(-c2nnc(Nc3cccc(Cl)c3)c3ccccc23)cc1)N1C[C@H]2C[C@H](C1)c1cccc(=O)n1C2
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?