4056
A two - phase solvent system consisted of n - hexane - ethyl acetate - methanol - water ( 35 : 100 : 35 : 100 , v / v / v / v ) was applied .
 Chemical: n - hexane; Chemical: ethyl acetate; 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: n - hexane; Chemical: ethyl acetate; Chemical: methanol