You should be able to type the following in the left cell and then repeat in the right cell:

C..,C..

(C followed by two period characters and a comma character followed by C followed by two period characters)

Works for me, and gives this result:

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BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.