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In conclusion , the results of this study suggested that OTA - induced oxidative DNA damage triggered the ATM - dependent pathways , which ultimately elicited a G2 arrest in GES - 1 cells .
 Chemical: OTA
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: OTA