Cc1ccc(-c2c(C#N)c(-c3ccc(Cl)cc3)c(C#N)c(=O)n2NS(=O)(=O)c2ccc(C)cc2)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?