Cc1ccc(S(=O)(=O)N2CCN(C(=O)c3cc(-c4ccc(Br)cc4)n[nH]3)CC2)c(C)c1
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?