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