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