preferred_name: L-alanyl-L-leucine + H2O <=> L-leucine + L-alanine
preferred_name_lc: l-alanyl-l-leucine + h2o <=> l-leucine + l-alanine
label: L-alanyl-L-leucine + H2O <=> L-leucine + L-alanine
label_lc: l-alanyl-l-leucine + h2o <=> l-leucine + l-alanine