26957
MeHg impaired performance on the IRA task , and this was partially or completely blocked by dietary nimodipine , depending on dose .
 Chemical: MeHg; Chemical: nimodipine
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: MeHg; Chemical: nimodipine