label: a 5-methyl-2'-deoxycytidine in DNA + 2-oxoglutarate + O2 => a 5-hydroxymethyl-2'-deoxycytidine in DNA + succinate + CO2
label_lc: a 5-methyl-2'-deoxycytidine in dna + 2-oxoglutarate + o2 => a 5-hydroxymethyl-2'-deoxycytidine in dna + succinate + co2