label: a 2'-deoxyguanosine in double-stranded DNA + glyoxal + succinate + CO2 => a 1,N(2)-etheno-2'-deoxyguanosine in double-stranded DNA + 2-oxoglutarate + O2 + H2O
label_lc: a 2'-deoxyguanosine in double-stranded dna + glyoxal + succinate + co2 => a 1,n(2)-etheno-2'-deoxyguanosine in double-stranded dna + 2-oxoglutarate + o2 + h2o