preferred_name: a 5-methylcytidine in tRNA + S-adenosyl-L-homocysteine + H(+) => a cytidine in tRNA + S-adenosyl-L-methionine
preferred_name_lc: a 5-methylcytidine in trna + s-adenosyl-l-homocysteine + h(+) => a cytidine in trna + s-adenosyl-l-methionine
label: a 5-methylcytidine in tRNA + S-adenosyl-L-homocysteine + H(+) => a cytidine in tRNA + S-adenosyl-L-methionine
label_lc: a 5-methylcytidine in trna + s-adenosyl-l-homocysteine + h(+) => a cytidine in trna + s-adenosyl-l-methionine