COCCCn1c(=O)/c(=C\c2ccccc2OC(C)C)s/c1=C(/C#N)C(=O)Nc1ccc(C(=O)O)cc1
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?