preferred_name: N(2)-acetyl-L-citrulline + H2O => L-citrulline + acetate
preferred_name_lc: n(2)-acetyl-l-citrulline + h2o => l-citrulline + acetate
label: N(2)-acetyl-L-citrulline + H2O => L-citrulline + acetate
label_lc: n(2)-acetyl-l-citrulline + h2o => l-citrulline + acetate