label: a di-trans,poly-cis-polyprenyl diphosphate + n diphosphate => n isopentenyl diphosphate + (2E,6E)-farnesyl diphosphate
label_lc: a di-trans,poly-cis-polyprenyl diphosphate + n diphosphate => n isopentenyl diphosphate + (2e,6e)-farnesyl diphosphate