28725
We report herein the discovery of an indole - 2 - carboxamide analogue , 3 , as a highly potent antitubercular agent , and the subsequent chemical modifications aimed at establishing a preliminary body of structure - activity relationships ( SARs ) .
 Chemical: indole - 2 - carboxamide
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: indole - 2 - carboxamide 
Answer:
 Chemical: indole - 2 - carboxamide