6916
Quenching of molecular probe fluorescence is achieved through unique photoinduced electron transfer between the naphthalimide dye reporter and a covalently attached , quinone - based enzyme substrate .
 Chemical: naphthalimide; Chemical: quinone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: naphthalimide, quinone 
Answer:
 Chemical: naphthalimide; Chemical: quinone