21364
Upon energization with complex I substrates , cocaine decreased state - 3 respiration in brain ( but not in liver ) mitochondria and decreased uncoupled respiration and mitochondrial potential in both tissues , through a direct effect on complex I .
 Chemical: cocaine
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: cocaine