Upload Mulitple Images -> Pic Choice

I'm trying:
Block A = Upload Multiple Images
Block B = Pic Choice (dynamic) from a list/array of uploaded images.

No matter what I try, it's lumping all urls together.

I'm limited on my JS, but I've tried to stringify, then stringify+parse (among other options).

This is the ex data from the upload:

http://fake-upload-url.com/0, http://fake-upload-url.com/1, http://fake-upload-url.com/2, http://fake-upload-url.com/3

What should the urls look like for the (Dynamic) Pic Choice?
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