Cc1ccc(N(CC(=O)NCCc2ccc(F)cc2)S(=O)(=O)c2ccc(Cl)c([N+](=O)[O-])c2)c(C)c1
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?