CC(C)CN(C(=O)CN1CCN(c2ccc(O)cc2)CC1)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?