preferred_name: octanoate + glycerol + H(+) => octanoylglycerol + H2O
preferred_name_lc: octanoate + glycerol + h(+) => octanoylglycerol + h2o
label: octanoate + glycerol + H(+) => octanoylglycerol + H2O
label_lc: octanoate + glycerol + h(+) => octanoylglycerol + h2o