817
Following self - administration and subsequent extinction training , rats were pretreated with the selective mGluR ( 2 / 3 ) agonist LY379268 ( variable dose , 0 - 3 mg / kg ) , exposed to METH - paired cues or a priming injection of METH ( 1 mg / kg ) , and tested for reinstatement of METH - seeking behavior .
 Chemical: LY379268; Chemical: METH; Chemical: METH; Chemical: METH
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: LY379268; Chemical: METH; Chemical: METH; Chemical: METH