CCN1CCN(Cc2ccc(NC(=O)c3cc(NC(=O)c4cc5cccc(OC)c5o4)cc(OC)c3)cc2C(F)(F)F)CC1.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?