COc1ccc2c(c1)[n+]([O-])c(C(=O)C/C(=N/NC(=O)C[N+](C)(C)C)C(=O)Nc1cccc(C)c1C)c(C)[n+]2[O-].[Cl-]
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?