The first in the line is complex one. Do we have to tell you any more than that? Not really. So ultimately, we've produced- And a lot of hydrogen, which will become important in a second as well. The importance of these molecules is they're holding onto a whole bunch of hydrogen ions and a whole bunch Of electrons, which we're going to be pulling off them now. This is now where we get to the inner membrane of the mitochondria and embedded in the inner membrane. Because like you said, there's two membranes,. A whole bunch of proteins. Okay, and lipids. do you want to go through them? Do you want to just name them or