14577
At slightly negative potentials , the surface - bound peroxide is identified by an OOH bending mode as a further intermediate , oriented at a similar angle .
 Chemical: peroxide; Chemical: OOH
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: peroxide; Chemical: OOH