How to export only article ID (BibTex UTF-8)?

I'm working on a large taxonomy which is carefully labeled in zotero. Each class of my taxonomy will host about 30 items, and there are 16 of them.

I'd like, for obvious reason, to be able to export the ID of each element (i.e., author_title_year) for each subset of my bibliography, in a format similar to "author1_title1_year1, author2_title2_year2, ..." so that I can copy paste this list in a \cite{} in overleaf and quickly populate (and update) each class of my taxonomy.
Is there a simple way to do so? Is there some add-on? should I do that in python?
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