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Moreover , the D2R inhibitor raclopride blocked the increase of both GDNF and Zif268 expression following potassium - evoked dopamine release in SH - SY5Y cells .
 Chemical: raclopride; Chemical: potassium; Chemical: dopamine
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: raclopride; Chemical: potassium; Chemical: dopamine