preferred_name: piperine + CoA + H(+) => piperidine + (E,E)-piperoyl-CoA
preferred_name_lc: piperine + coa + h(+) => piperidine + (e,e)-piperoyl-coa
label: piperine + CoA + H(+) => piperidine + (E,E)-piperoyl-CoA
label_lc: piperine + coa + h(+) => piperidine + (e,e)-piperoyl-coa