6418
The choice of dye moiety ( e . g . Alexa Fluor 488 ) , attachment point and linker length can alter the selectivity and potency of the parent molecule .
 Chemical: Alexa Fluor 488
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: Alexa Fluor 488