25650
[ Photochem . Photobiol . 2000 , 71 , 574 ] were blueshifted by ~ 1 nm , the low - energy state appeared to be highly localized on a single Chl a molecule , and the position of the low - energy state was independent of burning fluence .
 Chemical: Chl a
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: Chl a