Cc1ccc(S(=O)(=O)N/N=C(\C(=O)Nc2cccc([N+](=O)[O-])c2)c2nc3ccc([N+](=O)[O-])cc3nc2O)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?