COc1cc(/C=C2\C(=O)N(c3ccccc3)N=C2C)ccc1Oc1ccc([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?