CSCCC(C(=O)N1C[C@]2(C)C[C@H]1CC(C)(C)C2)N1C(=O)c2ccccc2C1=O
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?