COC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(Cc1ccc(OCc2ccccc2)cc1)NC(=O)C(COCc1ccccc1)NC(=O)OC(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?