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In vitro characterisation of the novel positive allosteric modulators of the mGlu 5 receptor , LSN2463359 and LSN2814617 , and their effects on sleep architecture and operant responding in the rat .
 Chemical: LSN2463359; Chemical: LSN2814617
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: LSN2463359; Chemical: LSN2814617