Cc1cc(C)c(-n2c(-c3ccc(Br)cc3)cs/c2=N\N=C2C=C(C(C)(C)C)C(=O)C(C(C)(C)C)=C2)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?