CCOC(=O)c1c(S(=O)(=O)N2CCC(C(=O)Nc3cccc(C#N)c3)CC2)c(C)n(C)c1C
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?