Cc1ccc(C(=O)Oc2ccc(/C=C3\CCC/C(=C\c4ccc(OC(=O)c5ccc(C)cc5)cc4)C3=O)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?