CN(C(=O)c1c[nH]c2ccc(S(=O)(=O)Nc3cccc(C(F)(F)F)c3)cc2c1=O)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?