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The Treaty Establishing the European Stability Mechanism was signed to found the European Stability Mechanism ( ESM ) , an international organisation located in Luxembourg , as a permanent firewall for the eurozone to safeguard and provide instant access to financial assistance programs for member states of the eurozone in financial difficulty , with a maximum lending capacity of € 500 billion .
 Stability, Stability, Luxembourg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stability, Stability, Luxembourg