C[N+](C)(C)CC(=O)N/N=C(/Cc1nc2ccc([N+](=O)[O-])cc2nc1O)C(=O)Nc1cc(C(F)(F)F)ccc1Cl.[Cl-]
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?