CCOc1ccc(-c2oc(/C=N/NS(=O)(=O)c3ccc(C)cc3)c([N+](=O)[O-])c2-c2ccc(OCC)cc2)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?