COC(=O)C1=C(C(=O)OC)C2N(Cc3ccccc3)c3ccccc3C23CC(C(=O)OC)N(C(=O)Nc2ccc(C(F)(F)F)cc2)C3=N1
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?