CC(C)C[C@@H](CC(=O)N[C@H](CC(=O)N[C@@H]1CCCC[C@H]1C(=O)N[C@H](CC(=O)N[C@@H](CCC(=O)O)CC(=O)O)CC(C)C)C(C)C)NC(=O)[C@@H]1CCCC[C@H]1N
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?