preferred_name: putrescine + NH4(+) + CO2 => N-carbamoylputrescine + H2O + 2 H(+)
preferred_name_lc: putrescine + nh4(+) + co2 => n-carbamoylputrescine + h2o + 2 h(+)
label: putrescine + NH4(+) + CO2 => N-carbamoylputrescine + H2O + 2 H(+)
label_lc: putrescine + nh4(+) + co2 => n-carbamoylputrescine + h2o + 2 h(+)