15114
Methods : The sample treatment included protein precipitation by cold acetonitrile , evaporation , reconstitution with methanol and filtration .
 Chemical: acetonitrile; Chemical: methanol
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: acetonitrile; Chemical: methanol