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Simply remove the integration and integrate again: https://www.jotform.com/help/192-How-to-Integrate-a-Form-with-Google-Drive
When you have authenticated your account, you will see google folder, and next to it the time stamp variable. You can remove and and replace it for the name, and even add more than one such as the submission ID:
Let us know if you have more questions, we will be glad to assist you.