14757
Potential future roles for ceftazidime - avibactam include the treatment of suspected or documented infections caused by resistant Gram - negative - bacilli producing extended - spectrum beta - lactamase ( ESBL ) , Klebsiella pneumoniae carbapenemases ( KPCs ) and / or AmpC beta - lactamases .
 ceftazidime, avibactam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ceftazidime, avibactam