CC(C)(C)OC(=O)n1ncc2cc(Nc3c(NCc4ccc(S(N)(=O)=O)cc4)c(=O)c3=O)ccc21
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?