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They were then treated chronically with L - DOPA / benserazide 50 / 12 . 5 mg / kg given orally daily for 2 months .
 Chemical: L - DOPA / benserazide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: L - DOPA / benserazide