CCCC(=O)N1c2ccccc2C(=C2SC(C(=O)OC)=C(C(=O)OC)S2)C(=S)C1(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?