COc1ccc(C(=O)OC/C(O)=C(\C#N)c2nc3ccccc3[nH]2)cc1S(=O)(=O)N1CCOCC1
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?