10643
A subsequent 14 - day rat toxicity study showed that this compound was associated with kidney toxicity at 42 , but not 21 , times the anticipated efficacious exposure in humans .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None