CCN(CC)CC(=O)Nc1c(C(N)=O)nnn1Cc1cc(Cl)c(C(=O)c2ccc(Cl)cc2)c(Cl)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?