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