The method 12, wherein {HEAD ~ the oligonucleotide} contains {TAIL ~ the sequence} of M2/TS  
contains
The method 12 , wherein { HEAD ~ the oligonucleotide } contains { TAIL ~ the sequence } of M2 / TS
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH