34877
Other long-lived isotopes are Cm ( half-life 8500 years ) , Cm ( 8,300 years ) and Cm ( 4,760 years ) .
 Cm, Cm, Cm
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cm, Cm, Cm