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In particular , while the vast majority of antidepressant treatments affect either serotonin or noradrenaline or a combination of these two neurotransmitters , it is not known whether there are particular patients or symptom profiles which respond preferentially to the potentiation of serotonin over noradrenaline or vice versa .
 Chemical: serotonin; Chemical: noradrenaline; Chemical: serotonin; Chemical: noradrenaline
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: serotonin; Chemical: noradrenaline; Chemical: serotonin; Chemical: noradrenaline