5371
The experiment revealed that a 4 - day bioassay is protective enough for C . elegans with respect to ivermectin ' s effects on fecundity .
 Chemical: ivermectin
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: ivermectin