Cc1ccc(N2C(=O)C3N=NN(CC(=O)N4N=C(c5cccc6ccccc56)CC4c4ccccc4)C3C2=O)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?