Cc1cc(C)c(C2=NO[C@H]3C(=O)N(c4ccc(Cc5ccc(N6C(=O)[C@H]7ON=C(c8c(C)cc(C)cc8C)[C@H]7C6=O)cc5)cc4)C(=O)[C@@H]23)c(C)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?