CC(C)Oc1ccc(C(=O)C2=C(O)C(=O)N(CCN3CCNCC3)C2c2cccc([N+](=O)[O-])c2)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?