Centipede normally likes acidic soils. Do you know what your soil PH is? The active ingredient Quinclorac is safe for Zoysia but it says not to spray on Centipede. Not sure if it would kill it but it would definitely hurt it.
This article shows herbicides that shouldn't be used on Centipede. I would start there and see which ones are safe to use on Zoysia
This article shows herbicides that shouldn't be used on Centipede. I would start there and see which ones are safe to use on Zoysia