transformers gguf reward model RLHF medical TensorBlock GGUF en base_model:johnsnowlabs/JSL-MedMNX-7B-v2.0 base_model:quantized:johnsnowlabs/JSL-MedMNX-7B-v2.0 license:cc-by-nc-nd-4.0 endpoints_compatible region:us conversational