CSC1NC(c2ccc(Cl)cc2)=C(C#N)C(=O)N1C1OCC(OC(C)=O)C(OC(C)=O)C1OC(C)=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?