transformers pytorch safetensors qwen text-generation custom_code ja en dataset:mc4 dataset:wikipedia dataset:EleutherAI/pile dataset:oscar-corpus/colossal-oscar-1.0 dataset:cc100 arxiv:2309.16609 arxiv:2404.01657 base_model:Qwen/Qwen-14B base_model:finetune:Qwen/Qwen-14B license:other autotrain_compatible region:us