16475
Here we show that by methylation of the carboxyl group , all ( calculated ) thresholds for H - loss from the different sites in the dialanine molecule are shifted up to a maximum of 1 . 4 eV .
 Chemical: carboxyl; Chemical: H; Chemical: dialanine
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: carboxyl; Chemical: H; Chemical: dialanine