CC[C@@]12C(=O)N(c3cccc(Br)c3)C(=O)N1[C@H](c1ccc(Cl)cc1)[C@@H]1C(=O)N(C3CCCCC3)C(=O)[C@@H]12
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?