preferred_name: a wax ester + H2O <=> a long chain fatty alcohol + a long-chain fatty acid + H(+)
preferred_name_lc: a wax ester + h2o <=> a long chain fatty alcohol + a long-chain fatty acid + h(+)
label: a wax ester + H2O <=> a long chain fatty alcohol + a long-chain fatty acid + H(+)
label_lc: a wax ester + h2o <=> a long chain fatty alcohol + a long-chain fatty acid + h(+)