3802
KF17837 : a novel selective adenosine A2A receptor antagonist with anticataleptic activity .
 Chemical: KF17837; Chemical: adenosine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: KF17837; Chemical: adenosine