CCCCN(C(=O)c1cc(-c2ccncc2)nc2ccccc12)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
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?