preferred_name: an L-alpha-amino acid + NH4(+) + CO2 => an N-carbamoyl-L-alpha-amino acid + H2O + 2 H(+)
preferred_name_lc: an l-alpha-amino acid + nh4(+) + co2 => an n-carbamoyl-l-alpha-amino acid + h2o + 2 h(+)
label: an L-alpha-amino acid + NH4(+) + CO2 => an N-carbamoyl-L-alpha-amino acid + H2O + 2 H(+)
label_lc: an l-alpha-amino acid + nh4(+) + co2 => an n-carbamoyl-l-alpha-amino acid + h2o + 2 h(+)