Cc1cc(S(=O)(=O)N/C(=C(\C#N)C(=O)c2ccc(Cl)cc2)[n+]2ccc(N(C)C)cc2)c([S-])cc1Cl
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?