7657
We previously described a chemical inhibitor of RAD51 , called RI - 1 ( referred to as compound 1 in this report ) .
 Chemical: RI - 1
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: RI - 1