Cc1cc(N2CCC(C(=O)N(CC(C)C)CC(C)C)CC2)n2nc(C)c(-c3ccc(Cl)cc3)c2n1
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?