C[C@@H]1O[C@H](O[C@H]2C[C@@H](O)[C@@]3(CO)[C@H]4[C@@H](O)C[C@]5(C)[C@@H](C6=CC(=O)OC6)CC[C@]5(O)[C@H]4CC[C@]3(O)C2)[C@@H](O)[C@H](O)[C@@H]1O.O.O.O.O.O.O.O.O
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?