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These effects were dependent upon functional DA D3 receptor ( D3R ) since nicotine was inactive both in cultures from D3R KO mice and following pharmacologic blockade with D3R antagonist SB - 277011 - A ( 50 nM ) .
 Chemical: nicotine; Chemical: SB - 277011 - A
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: nicotine; Chemical: SB - 277011 - A