CCN(CC)CCN1C(=O)C(O)=C(C(=O)c2ccc(S(=O)(=O)N3CCOCC3)cc2)C1c1ccc(C(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?