22207
Intracellular radical activation in 661W , evaluated using the reactive oxygen species ( ROS ) - sensitive probe 5 - ( and - 6 ) - chloromethyl - 2 , 7 - dichlorodihydro fluorescein diacetate acetyl ester ( CM - H2DCFDA ) , was reduced by MBE and its anthocyanins .
 Chemical: oxygen; Chemical: 5 - ( and - 6 ) - chloromethyl - 2 , 7 - dichlorodihydro fluorescein diacetate acetyl ester; Chemical: CM - H2DCFDA; Chemical: anthocyanins
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: oxygen; Chemical: 5 - ( and - 6 ) - chloromethyl - 2 , 7 - dichlorodihydro fluorescein diacetate acetyl ester; Chemical: CM - H2DCFDA; Chemical: anthocyanins