Cc1ccn2c(NC3CCCCC3)c(-c3cccc(-c4cccc(Cl)c4)c3)nc2c1.O=C(O)C(F)(F)F
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?