preferred_name: ethanol + a fatty acid + H(+) => a fatty acid ethyl ester + H2O
preferred_name_lc: ethanol + a fatty acid + h(+) => a fatty acid ethyl ester + h2o
label: ethanol + a fatty acid + H(+) => a fatty acid ethyl ester + H2O
label_lc: ethanol + a fatty acid + h(+) => a fatty acid ethyl ester + h2o