preferred_name: an acetyl ester + H2O = an aliphatic alcohol + acetate + H(+)
preferred_name_lc: an acetyl ester + h2o = an aliphatic alcohol + acetate + h(+)
label: an acetyl ester + H2O = an aliphatic alcohol + acetate + H(+)
label_lc: an acetyl ester + h2o = an aliphatic alcohol + acetate + h(+)