COc1ccc(-c2nc3cc(C(F)(F)F)ccc3n2CCCn2c(-c3ccccc3)nc3cc(C(=O)O)ccc32)cc1
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?