CCOC(=O)C1(C#N)C(c2ccccc2)CC(O)(c2ccc(OC)cc2)C(C(=O)c2ccc(OC)cc2)C1c1ccccc1
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?