CCCC(=O)Nc1cc(/C=C/C(=O)N2CC(CCl)c3c2cc([N+](=O)[O-])c2ccccc32)n(C)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?