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In open field tests , CX1837 and CX1739 did not induce hyperactivity or sedation in either strain .
 Chemical: CX1837; Chemical: CX1739
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: CX1837; Chemical: CX1739