CC(=O)N(C(=O)CC(=O)N1N=C(c2ccccc2)C(/N=N/c2ccccc2[N+](=O)[O-])C1=O)c1ccc(Cl)cc1
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?