22616
Besides , CDM not only synergized TNF - alpha production combined with IFN - gamma , but also prolonged its expression in time .
 Chemical: CDM
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: CDM 
Answer:
 Chemical: CDM