COC(=O)c1ccc(C(=O)OC)c(NC(=O)c2cc3nc(-c4ccc(C)cc4)cc(C(F)(F)F)n3n2)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?