20973
Macrolones are a new class of antimicrobial compounds consisting of a macrolide scaffold linked to a 4 - quinolone - 3 - carboxylic acid moiety via C ( 4 '' ) position of a macrolide .
 Macrolones, macrolide, 4 - quinolone - 3 - carboxylic acid, C, macrolide
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Macrolones, macrolide, 4 - quinolone - 3 - carboxylic acid, C, macrolide