CCc1cc2c(=O)c(-c3cnn(-c4ccccc4)c3)c(C)oc2cc1OCC(=O)Nc1ccc(F)c(F)c1
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?