Cc1ccc(S(=O)(=O)NC(=O)C2=C3SCCN3C(=O)N(S(=O)(=O)c3ccc(C)cc3)C2c2ccccc2)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?