CN(C(=O)c1cc2nc(-c3ccc4c(c3)OCO4)cc(C(F)(F)F)n2n1)c1ccc(OC(F)(F)F)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?