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