3021
The dose levels were 140 , 700 , and 1 , 400 mg / kg / day ( lowered to 1 , 000 mg / kg / day subsequently due to mortality ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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