12578
To find potent compounds with good pharmacokinetics , we used the bioisosterism approach , and designed the compound 2 and 3 bearing an 1 , 2 , 4 - oxadiazole ring to replace the amide group in compound 1 .
 Chemical: 1 , 2 , 4 - oxadiazole; Chemical: amide
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: 1 , 2 , 4 - oxadiazole; Chemical: amide