Cc1ccc(S(=O)(=O)N(C)C)cc1NC(=O)CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O
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?