Cc1cc(Cl)c2c(c1)C1(NC(CC(N)=O)[C@H]3C(=O)N(c4sc5c(c4C#N)CCCC5)C(=O)[C@H]31)C(=O)N2
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?