21368
In summary , cocaine and cocaine + morphine induce mitochondrial complex I dysfunction in isolated brain and liver mitochondria , with specific effects in each tissue .
 Chemical: cocaine; Chemical: cocaine; Chemical: morphine
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; Chemical: cocaine; Chemical: morphine