25574
Site - specific and Far - Red Light - Activatable Prodrug of Combretastain A - 4 Using Photo - Unclick Chemistry .
 Chemical: Combretastain A - 4
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: Combretastain A - 4