CCOC(=O)N1CCN(C(=O)c2cn(CC)c3ccc(S(=O)(=O)N4CCC(C)CC4)cc3c2=O)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?