CC(C(=O)N1C(=O)N(C(=O)C(C)C(O)c2ccccc2)C(c2ccccc2)C1c1ccccc1)C(O)c1ccccc1
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?