9367
The residual fraction of T in the DNA of adapted bacteria was < 2 % and the switch from T to ClU was accompanied by a massive number of mutations , including > 1500 A to G or G to A transitions in a culture .
 Chemical: ClU
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: ClU