17431
This suggested that there may be higher levels of initiators for thiol - disulphide exchange reactions , resulting in an increase in the rate of the reactions and the formation of greater numbers of small aggregates , in SM - ME than in SM .
 Chemical: thiol; Chemical: disulphide
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: thiol; Chemical: disulphide