CC(NC(=O)CN(c1cccc(C(F)(F)F)c1)S(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)c1ccccc1
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?