CC(C)(C)c1ccc(C(=O)NC(Cc2c[nH]c3ccccc23)C(=O)OCC(=O)c2ccc(Br)cc2)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?