4374
In addition , when an excess of ethanol was used , diacylglycerol ethers completely disappeared after 15 h , giving a final product mainly composed of monoacylglycerol ethers ( 36 . 6 % ) and fatty acid ethyl esters ( 46 . 4 % ) .
 Chemical: ethanol; Chemical: diacylglycerol ethers; Chemical: monoacylglycerol ethers; Chemical: fatty acid ethyl esters
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ethanol, diacylglycerol ethers, monoacylglycerol ethers, fatty acid ethyl esters 
Answer:
 Chemical: ethanol; Chemical: diacylglycerol ethers; Chemical: monoacylglycerol ethers; Chemical: fatty acid ethyl esters