Nc1ccc(Oc2ccc(C34CC5CC(C3)CC(c3ccc(Oc6ccc(N)cc6)cc3)(C5)C4)cc2)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?