Cc1cccc[n+]1C1C(c2ccc([N+](=O)[O-])cc2)C(C#N)=C([C-](C#N)C#N)NC1(O)C1CC1
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?