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Atomoxetine ( ATM ) is a potent norepinephrine ( NE ) uptake inhibitor and increases both NE and dopamine synaptic levels in prefrontal cortex , where it is thought to exert its beneficial effects on attention and impulsivity .
 Atomoxetine, ATM, norepinephrine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Atomoxetine, ATM, norepinephrine