30129
In this study , we investigated the potential protective effects of Valeriana officinalis ( V . officinalis ) against the toxicity induced by rotenone in Drosophila melanogaster ( D . melanogaster ) .
 Chemical: rotenone
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: rotenone