CCC(C)NC(=O)c1sc2nc(C)c(C(=O)Nc3ccc(C)cc3C)c(-c3ccc(Br)cc3)c2c1N
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?