Cc1cc(C)c(/C=C(C(=C/c2c(C)cc(C)cc2C)\[N+](=O)[O-])/[N+](=O)[O-])c(C)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?