CCOC(=O)NC[C@H](Cc1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1)N/C(C)=C/C(=O)c1ccc(C(F)(F)F)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?