transformers gguf mergekit merge OG_finetune_merge chat text-generation en zh base_model:Qwen/Qwen2-72B-Instruct base_model:merge:Qwen/Qwen2-72B-Instruct base_model:anthracite-org/magnum-v1-72b base_model:merge:anthracite-org/magnum-v1-72b license:other endpoints_compatible region:us imatrix conversational