Cc1cc2ccccn2c1C(=O)c1ccc(N/N=C/c2ccc(C(=O)O)cc2)c([N+](=O)[O-])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?