transformers safetensors qwen2 text-generation mergekit merge conversational base_model:anthracite-org/magnum-v1-72b base_model:merge:anthracite-org/magnum-v1-72b base_model:arcee-ai/Arcee-Nova base_model:merge:arcee-ai/Arcee-Nova autotrain_compatible text-generation-inference endpoints_compatible region:us