safetensors llama text-generation conversational zh en dataset:opencsg/chinese-fineweb-edu dataset:HuggingFaceTB/smollm-corpus dataset:jon-tow/starcoderdata-python-edu dataset:open-web-math/open-web-math dataset:suriyagunasekar/stackoverflow-python-with-meta-data license:gpl-3.0 region:us