8977
Here we characterized a potent and selective mGlu ( 7 ) negative allosteric modulator ( NAM ) ( + ) - 6 - ( 2 , 4 - dimethylphenyl ) - 2 - ethyl - 6 , 7 - dihydrobenzo [ d ] oxazol - 4 ( 5H ) - one ( ADX71743 ) .
 Chemical: ( + ) - 6 - ( 2 , 4 - dimethylphenyl ) - 2 - ethyl - 6 , 7 - dihydrobenzo [ d ] oxazol - 4 ( 5H ) - one; Chemical: ADX71743
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: ( + ) - 6 - ( 2 , 4 - dimethylphenyl ) - 2 - ethyl - 6 , 7 - dihydrobenzo [ d ] oxazol - 4 ( 5H ) - one; Chemical: ADX71743