label: (Z)-2-((N-methylformamido)methylene)-5-hydroxybutanolactone + FMN + H(+) => N-methylnicotinate + FMNH2 + O2
label_lc: (z)-2-((n-methylformamido)methylene)-5-hydroxybutanolactone + fmn + h(+) => n-methylnicotinate + fmnh2 + o2