COc1ccc(C2CC(=O)Oc3c(C(CCN4CCOCC4)c4cc(OC)c(OC)c(OC)c4)c(OC)cc(OC)c32)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?