C=CC(=O)N1C/C(=C\c2ccc(N(C)C)cc2)C(=O)/C(=C/c2ccc(N(C)C)cc2)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?