COc1ccc(-c2ccc(/C=C3\C(=O)N(c4ccccc4)N=C3c3ccccc3)o2)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?