label: 1,2,3,5-tetrahydroxybenzene + 1,2,3-trihydroxybenzene = 1,2,3,5-tetrahydroxybenzene + 1,3,5-trihydroxybenzene
label_lc: 1,2,3,5-tetrahydroxybenzene + 1,2,3-trihydroxybenzene = 1,2,3,5-tetrahydroxybenzene + 1,3,5-trihydroxybenzene