CC(=O)OCC1OC(N2C(c3ccccc3)=CC(c3ccccc3)C(C#N)=C2S)C(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?