18723
However , compounds 6g and 6f with benzothiazole moiety ( 12 . 5 and 25 mu g / ml ) showed promising activity against Escherichia coli compared to ampicillin ; compounds 6d , 6j bearing triazole and morpholine , respectively , showed promising antitubercular activity ( 25 mu g / ml ) compared to rifampicin .
 Chemical: benzothiazole; Chemical: ampicillin; Chemical: triazole; Chemical: morpholine; Chemical: rifampicin
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: benzothiazole, ampicillin, triazole, morpholine, rifampicin 
Answer:
 Chemical: benzothiazole; Chemical: ampicillin; Chemical: triazole; Chemical: morpholine; Chemical: rifampicin