CC1=NN(C(=O)CC(=O)Nc2ccc(Cl)cc2)C(=O)C1/N=N\c1ccc(S(=O)(=O)c2ccc(/N=N/C3C(=O)N(C(=O)CC(=O)Nc4ccc(Cl)cc4)N=C3C)cc2)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?