8689
We begin by capturing RISC using a complementary 2 ' - O - methyl oligonucleotide tethered to beads .
 Chemical: 2 ' - O - methyl
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 2 ' - O - methyl