CC1=C(C(=O)Nc2cc(=O)n(C)c(=O)n2C)C(c2ccco2)C(C(=O)Nc2cc(=O)n(C)c(=O)n2C)=C(C)N1
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?