Cc1ccc(NC(=O)C[S+]([O-])CC(=O)N(c2ccc(C)cc2)C(C)C(=O)NC2CCCCC2)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?