3818
In the absence of toxic effects elsewhere , this does not constitute a carcinogenic effect of the chemical but can be addressed through a proposed MOA approach for regulatory purposes to reach a decision that RTT , developing as a result of CPN exacerbation in rats , have no relevance for human risk assessment .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None