Cc1c(C(=O)C(=O)c2ccccc2)c(C)c(C(=O)C(=O)c2ccccc2)c(C)c1C(=O)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?