label: 2'-deoxycytidine + a ribonucleoside 5'-triphosphate <=> dCMP + a ribonucleoside 5'-diphosphate + H(+)
label_lc: 2'-deoxycytidine + a ribonucleoside 5'-triphosphate <=> dcmp + a ribonucleoside 5'-diphosphate + h(+)