O=C(/C=C/c1cccs1)N1CCC2(CC1)Oc1ccc(F)cc1C(=O)C21CC(c2ccc(Cl)cc2)=NO1
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?