CCCCC(=O)OCC(=O)C1(O)Cc2c(O)c3c(c(O)c2C(OC2CC(NC(=O)C(F)(F)F)C(O)C(C)O2)C1)C(=O)c1c(OC)cccc1C3=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?