CC(=N/N=C/c1ccccn1)/C(C)=N/N=C(C)/C(C)=N/N=C(C)/C(C)=N/N=C(C)/C(C)=N\N=C\c1ccccn1
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?