13744
Intraperitoneal injection of CO - releasing molecule 2 ( CORM2 ) into mice with reduced bone mass due to ovariectomy ( OVX ) resulted in significantly elevated bone mass .
 Chemical: CO
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: CO