9677
The reaction to form ABTS ( + ) in said solvent was essentially complete by eight hours , and this radical cation was stable for at least 6 days ; at room temperature , the ABTS ( + ) solution remained within an allowable analytical range for up to 13 h .
 Chemical: ABTS ( + ); Chemical: ABTS ( + )
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: ABTS ( + ); Chemical: ABTS ( + )