Cc1ccc(S(=O)(=O)N2[C@H](c3cccc(Cl)c3)CC=C(C(=O)O)[C@@H]2c2ccc(Cl)cc2)cc1
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?