Sorry, I didn't think about that! And yes, I am! They don't list out specifically what the format should be, so I am unsure of what is going wrong.
Here is a link to a Google Sheet since I can't upload a .csv here: https://docs.google.com/spreadsheets/d/1zR0PtHTY6tq-jTYKlKx8xqmaDH4U9h-zNPoJM48wQa0/edit?usp=sharing