CCN(CC)C(=O)c1sc(NC(=O)C(C)Sc2nc(-c3ccccc3)cc(C(F)(F)F)n2)c(C(=O)OC)c1C
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?