CC(C)[C@H](N)C(=O)NC[C@H](CC(=O)NC[C@H]1CC[C@H](C(=O)O)CC1)c1ccc(Cl)cc1.Cl
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?