29759
Our previous work with the mercaptosulfide functionality attached to both cyclopentane and pyrrolidine frameworks demonstrated that the cis - ( 3S , 4R ) - stereochemistry was optimal for all of the MMPs tested .
 Chemical: mercaptosulfide; Chemical: cyclopentane; Chemical: pyrrolidine
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: mercaptosulfide; Chemical: cyclopentane; Chemical: pyrrolidine