CCOc1ccc(N/C(Cl)=C(Cl)\C(=C(\Nc2ccc(OCC)cc2)n2nnc3ccccc32)[N+](=O)[O-])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?