Cn1c(NC(=O)C[n+]2cc(-c3ccc(F)cc3)n3c2CCC3)cc(=O)n(C)c1=O.[Cl-]
Molecules with a polar surface area of greater than 140 angstroms squared (Å2) tend to be poor at permeating cell membranes. What's the psa of this molecule?