Cc1ccc(Nc2ccc(Nc3ccc(C)cc3S(=O)(=O)O)c3c2C(=O)c2ccccc2C3=O)c(S(=O)(=O)[O-])c1.[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?