14500
Adenosine , an enzymatic ATP degradation product , acts at prejunctional A1 adenosine receptors ( A1Rs ) to inhibit NE release .
 Chemical: Adenosine; Chemical: ATP; Chemical: adenosine
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: Adenosine; Chemical: ATP; Chemical: adenosine