label: triacetate lactone + (2E,6E,10E)-geranylgeranyl diphosphate <=> (2E,6E,10E)-geranylgeranyl-triacetate lactone + diphosphate
label_lc: triacetate lactone + (2e,6e,10e)-geranylgeranyl diphosphate <=> (2e,6e,10e)-geranylgeranyl-triacetate lactone + diphosphate