transformers gguf instruct finetune chatml gpt4 synthetic data distillation en dataset:migtissera/Synthia-v1.5-I base_model:artificialguybr/QWEN-2-1.5B-Synthia-I base_model:quantized:artificialguybr/QWEN-2-1.5B-Synthia-I license:apache-2.0 endpoints_compatible region:us conversational