COC(=O)C1=C2N(Cc3ccccc3)C(C)=C(C(=O)OC)C(c3ccccc3)N2C(=O)[C@](O)(C(=O)OC)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?