gguf merge TIES Llama3 BestMix Chemistry Einstein instruction-following conversational long-form-generation scientific llama-cpp gguf-my-repo base_model:ZeroXClem/Llama3.1-BestMix-Chem-Einstein-8B base_model:quantized:ZeroXClem/Llama3.1-BestMix-Chem-Einstein-8B license:apache-2.0 region:us