Cc1ccc(Cl)cc1N1CCN(C2=C(Cl)C(=O)N(c3ccc(Cl)c(Cl)c3)C2=O)CC1
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?