CC(C)(C)OC(=O)C1C(=O)NC(=O)CC1CC(OCc1ccccc1)C(OCc1ccccc1)C(COCc1ccccc1)OCc1ccccc1
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?