CC1(C)C(=O)C=CC(=O)C(C)(C)C(=O)C=CC(=O)C(C)(C)c2ccc(o2)C(C)(C)C(=O)C=CC1=O
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?