Cc1ccc(S(=O)(=O)N2C[C@H]3N(C(=O)OC(C)C)N(C(=O)OC(C)C)C[C@H](OC(=O)NC4CCCC4)[C@@]3(O)C2)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?