CC(C)C[C@H]1CNC(=S)N1C[C@H]1CCCN1C[C@H](Cc1ccccc1)N1C[C@H](CC(C)C)N(CCc2ccccc2)C1=S
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?