COCCN(C(=O)COC(=O)/C=C/c1cccc(C(F)(F)F)c1)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
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?