CCOC(=O)c1c(NC(=O)c2ccc(N3C(=O)[C@H]4[C@@H]5C=C[C@@H](C5)[C@H]4C3=O)cc2)sc2c1CCCC2
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?