5692
8 - Chloro - adenosine ( 8CA ) has shown promise in hematologic and solid tumor models and is in a phase I clinical trial .
 8 - Chloro - adenosine, 8CA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 8 - Chloro - adenosine, 8CA