preferred_name: pyruvate + CO2 => acetylenedicarboxylate + H2O + H(+)
preferred_name_lc: pyruvate + co2 => acetylenedicarboxylate + h2o + h(+)
label: pyruvate + CO2 => acetylenedicarboxylate + H2O + H(+)
label_lc: pyruvate + co2 => acetylenedicarboxylate + h2o + h(+)