Update rag_langgraph.py

rag_langgraph.py

@@ -96,7 +96,7 @@ def create_graph(topic):
         | JsonOutputFunctionsParser()
     )
 
-    researcher_agent = create_agent(llm, [tavily_tool, today_tool], system_prompt=f"Write a 2000-word article on topic: {topic}. At the beginning, add current date and author: Multi-AI-Agent System based on GPT-4o. At the end, add a reference section with research papers.")
+    researcher_agent = create_agent(llm, [tavily_tool, today_tool], system_prompt=f"Research content on topic: {topic}. Then write a 2000-word article on the topic. At the beginning of the article, add current date and author: Multi-AI-Agent System based on GPT-4o. At the end of the article, add a reference section with research papers.")
     researcher_node = functools.partial(agent_node, agent=researcher_agent, name="Researcher")
 
     #writer_agent = create_agent(llm, [today_tool], system_prompt=f"Write a 2000-word article on topic: {topic}. At the beginning, add current date and author: Multi-AI-Agent System based on GPT-4o. At the end, add a reference section with research papers.")