Take away those two electrons and give those two electrons ultimately onto that NAD to form the NADH that can ultimately be used by the electron transport chain on the inner membrane of the mitochondria. So, in the final step, we have the Flavon adenine dinucleotide, which is actually attached onto the enzyme. This is used to actually oxidize this molecule. What it does is it removes this age along with one electron and this age along with one electron, and we form fadh two. And we finally reform this lipo amide essentially one electron here, one electron here, reform that sigma bond that existed between these sulfur groups here. So we reform that lipo amide coenzyme that now can be used to restart this process of pyruvate decarboxylation with another pyruvate molecule, because, remember, we have two pyruvate molecules coming from a single glucose molecule.