CCc1cc(Cc2cc(CC)c(NC(=O)C(=O)Cc3ccccn3)c(CC)c2Cl)c(Cl)c(CC)c1NC(=O)C(=O)Cc1ccccn1
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?