new prompt

app.py

@@ -166,10 +166,10 @@ def assistant(state: MyAgent):
     # Add system message to instruct the agent to use the tool
     system_message = SystemMessage(content="""
 You are a helpful assistant tasked with answering questions using a set of tools. 
-Now, I will ask you a question. Report your thoughts, and finish your answer with the following template: 
+Now, I will ask you a question. Think step by step and report your answer with the following template: 
 FINAL ANSWER: [YOUR FINAL ANSWER]. 
 YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, Apply the rules above for each element (number or string), ensure there is exactly one space after each comma.
-Your answer should only start with "FINAL ANSWER: ", then follows with the answer. 
+Your answer should only have the answer. 
 """)
 
     # Combine system message with user messages