label: cytidine(1402) in 16S rRNA + S-adenosyl-L-methionine => 2'-O-methylcytidine(1402) in 16S rRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: cytidine(1402) in 16s rrna + s-adenosyl-l-methionine => 2'-o-methylcytidine(1402) in 16s rrna + s-adenosyl-l-homocysteine + h(+)