COc1ccc(NC(=O)C2=C(C)Nc3nc(SCc4ccccc4C)nn3C2c2cc(OC)c(O)c(OC)c2)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?