CC(=O)c1c(C)[nH]c(C(=O)N(C)CC(=O)Nc2ccc(Cl)c(C(F)(F)F)c2)c1C
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?