C#CCN(C[C@@H]1[C@@H](OC(=O)NCc2ccco2)[C@@H](OC(=O)NCc2ccco2)Cn2c(=O)n(CCCCCC)c(=O)n21)S(=O)(=O)c1ccc(C)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?