CN(CC(=O)Nc1ccc(OC(F)(F)F)cc1)C(=O)/C=C/c1cc2c(cc1[N+](=O)[O-])OCO2
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?