N#CC(/C(CCCC(=O)Nc1cccc([N+](=O)[O-])c1)=N\NC(=O)c1c(O)ccc2ccccc12)c1nc2ccccc2s1
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?