Cc1ccc(OCc2ccc(C(=O)Nc3c(C)nn(Cc4c(F)c(F)c(F)c(F)c4F)c3C)o2)c([N+](=O)[O-])c1
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?