label: an oxidized polyvinyl alcohol + 2n Fe(II)-[cytochrome c] + 2n H(+) => a polyvinyl alcohol + 2n Fe(III)-[cytochrome c]
label_lc: an oxidized polyvinyl alcohol + 2n fe(ii)-[cytochrome c] + 2n h(+) => a polyvinyl alcohol + 2n fe(iii)-[cytochrome c]