13652
The present study is the first of its kind to link sediment CUPs , fipronil , and abamectin concentrations with toxicity in urban streams in China with a focus on shifting pesticide usage patterns .
 Chemical: fipronil; Chemical: abamectin
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: fipronil; Chemical: abamectin