CCCCN1C(=O)C2C(C(=O)Nc3cccc(OC)c3)C3C=CC2(O3)C1C(=O)NC1CCCCC1C
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?