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Endosulfan ( ES ) , a persistent organochlorine pesticide , is widely used despite its toxicity to non - target animals .
 Chemical: Endosulfan; Chemical: organochlorine
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: Endosulfan; Chemical: organochlorine