9506
Suppression of STAT3 correlated with the down - regulation of various gene products linked to tumor survival , proliferation , and angiogenesis and led to sensitization of tumor cells to thalidomide and bortezomib .
 Chemical: thalidomide; Chemical: bortezomib
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: thalidomide; Chemical: bortezomib