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Duloxetine is a serotonin and norepinephrine reuptake inhibitor , which is mainly used to treat depression .
 Chemical: Duloxetine; Chemical: serotonin; Chemical: norepinephrine
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: Duloxetine; Chemical: serotonin; Chemical: norepinephrine