O=C(O)C(=O)O.O=S(=O)(c1ccc(Cl)c(C(F)(F)F)c1)N1CCN(CC(O)COCC2CCCO2)CC1
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?