16470
Gas phase dissociative electron attachment ( DEA ) measurements with methyl - dialanine , C ( 7 ) H ( 14 ) N ( 2 ) O ( 3 ) , are performed in a crossed electron - molecular beam experiment at high energy resolution ( ~ 120 meV ) .
 Chemical: methyl - dialanine; Chemical: C ( 7 ) H ( 14 ) N ( 2 ) O ( 3 )
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: methyl - dialanine; Chemical: C ( 7 ) H ( 14 ) N ( 2 ) O ( 3 )