preferred_name: aniline + a carboxylate + H(+) => an anilide + H2O
preferred_name_lc: aniline + a carboxylate + h(+) => an anilide + h2o
label: aniline + a carboxylate + H(+) => an anilide + H2O
label_lc: aniline + a carboxylate + h(+) => an anilide + h2o