3746
Therefore , potent antagonists , such as clopidogrel , are of high clinical relevance in prophylaxis and treatment of thromboembolic events .
 Chemical: clopidogrel
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: clopidogrel