CCN(CC)S(=O)(=O)c1ccc(O)c(C(=O)OCC(=O)Nc2cc(C)c(C)cc2[N+](=O)[O-])c1
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?