CC(C)(C)C1=CC(=N/N=c2\scc(-c3ccccc3)n2-c2ccccc2)C=C(C(C)(C)C)C1=O
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?