Cc1ccc(S(=O)(=O)N2[C@@H](c3ccc(Cl)cc3)C(C(=O)O)=C[C@H]2C(C)(C)C)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?