COC(=O)c1ccc(Nc2nnc(-c3ccc(C)c(S(=O)(=O)N4CCN(C)CC4)c3)c3ccccc23)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?