13159
In preclinical studies , the mammalian target of rapamycin ( mTOR ) in the medial prefrontal cortex and the eukaryotic elongation factor ( eEF2 ) in the hippocampus have been proposed as critical mediators of ketamine ' s rapid antidepressant actions .
 Chemical: rapamycin; Chemical: ketamine
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: rapamycin; Chemical: ketamine