transformers safetensors qwen2 text-generation merge mergekit NTQAI/Nxcode-CQ-7B-orpo Qwen/CodeQwen1.5-7B-Chat conversational base_model:NTQAI/Nxcode-CQ-7B-orpo base_model:merge:NTQAI/Nxcode-CQ-7B-orpo base_model:Qwen/CodeQwen1.5-7B-Chat base_model:merge:Qwen/CodeQwen1.5-7B-Chat autotrain_compatible text-generation-inference endpoints_compatible region:us