For the folder path field on where the CSV exports should be stored, it should be in the following format (case-sensitive and spaces in the folder names matter):

/Parent Folder/Subfolder

If you just want to store the files at very top of your Google Drive folder, you can simply enter:

/

For example, when you log in to Google Drive and go to the directory where you want to store the files, you'll see something like this:

In the screenshot above, the file path will simply be:

/Test Files/EZ Exporter