COc1ccc(CNC(=O)[C@@H]2CC=C[C@@H]3CCN(Cc4ccc(OC)c(OC)c4)C(=O)[C@@H]32)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?