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To identify the protein regions that confer ethanol sensitivity to slo1 , we tested the ethanol sensitivity of heterologously expressed slo1 and structurally related channels .
 Chemical: ethanol; Chemical: ethanol
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: ethanol; Chemical: ethanol