Cc1ccc(Cc2n[nH]c(=O)n2/N=C\CC/C=N\n2c(Cc3ccc(C)cc3)n[nH]c2=O)cc1
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?