CC[C@H](NC(=O)[C@H](C)NC)C(=O)N1CCC[C@H]1C(=O)Nc1c(C)ccc2ncccc12.O=CO.O=CO
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?