preferred_name: triacetin + H2O <=> diacetylglycerol + acetate + H(+)
preferred_name_lc: triacetin + h2o <=> diacetylglycerol + acetate + h(+)
label: triacetin + H2O <=> diacetylglycerol + acetate + H(+)
label_lc: triacetin + h2o <=> diacetylglycerol + acetate + h(+)