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For example , resveratrol and thymoquinone are hitherto known compounds to possess proapoptotic effects on platelets .
 Chemical: resveratrol; Chemical: thymoquinone
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: resveratrol; Chemical: thymoquinone