CCC1CN2CCc3cc(OC)c(OC)cc3C2CC1CC1c2cc(OC)c(OC)cc2CCN1C(=O)CNC(=O)OC(C)(C)C
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?