16476
The lowest lying resonance observed experimentally for ( M - H ) ( - ) remains operative from the amide group at the electron energy of 2 . 4 eV due to the methylation .
 Chemical: amide
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: amide