CCCCCCC(=O)C/C(CCC(=O)N(Cc1ccccc1)Cc1ccccc1)=N\Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
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?