CCC(C(=O)C(C)C(O)C(C)CCc1ccc(C)c(O)c1C(=O)[O-])C1OC(CC)(C2CC[C@@](O)(CC)C(C)O2)CC1C.[Na+]
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?