CCCS(=O)(=O)c1c(S(=O)(=O)CCC)c2cc(C(C)(C)C)ccn2c1C(=O)c1ccc(OC)c(OC)c1
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?