CC(C)(C)OC(=O)NCCCCCc1cn([C@@H](CO)C(=O)NCCCCCCCCCCC(=O)N2CCN(C(=O)OC(C)(C)C)CC2)nn1
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?