CC1C=C(OC(=O)c2ccccc2)C(=O)C(n2cc(F)c(=O)n(C(=O)c3ccccc3)c2=O)O1
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?