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BDNF is also believed to interact with other neurotransmitter systems implicated in schizophrenia , such as dopamine , glutamate , serotonin and GABA .
 Chemical: dopamine; Chemical: glutamate; Chemical: serotonin; Chemical: GABA
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: dopamine; Chemical: glutamate; Chemical: serotonin; Chemical: GABA