CC[C@@H](C)C(NC(=O)OC(C)(C)C)c1cn([C@@H](Cc2cc3ccccc3[nH]2)C(=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?