label: 5-carboxymethylaminomethyl-2'-O-methyluridine(34) in tRNA(Leu) + S-adenosyl-L-homocysteine + H(+) => 5-carboxymethylaminomethyluridine(34) in tRNA(Leu) + S-adenosyl-L-methionine
label_lc: 5-carboxymethylaminomethyl-2'-o-methyluridine(34) in trna(leu) + s-adenosyl-l-homocysteine + h(+) => 5-carboxymethylaminomethyluridine(34) in trna(leu) + s-adenosyl-l-methionine