174117
She was wrecked on 5 August 1781 near Glénan Islands , off Concarneau , when she ran aground due to a navigation error of the pilot .
 Concarneau
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Concarneau