CCOC(=O)[C@H]1[C@H]2COc3ccc(OC)cc3[C@@H]2N2C(=O)c3ccc(F)cc3NC(=O)[C@@]12C
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?