CCN(CC)C(=O)c1sc2c(c1C)c(=O)n(Cc1ccccc1)c(=O)n2Cc1c(C)cc(C)cc1C
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?