change model llama 3.1 405B to Deepseek

app.py

@@ -35,7 +35,7 @@ client = None
 def load_llm():
     # Instantiate the SambaNova model
     llm = SambaNovaCloud(
-        model="Meta-Llama-3.1-405B-Instruct",
+        model="DeepSeek-R1-Distill-Llama-70B",
         context_window=100000,
         max_tokens=1024,
         temperature=0.7,