5912
Novel 2 - aminooctahydrocyclopentalene - 3a - carboxamides as potent CCR2 antagonists .
 Chemical: 2 - aminooctahydrocyclopentalene - 3a - carboxamides
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: 2 - aminooctahydrocyclopentalene - 3a - carboxamides