Update chatmol.py

    try:

        messages = [

    {"role": "system", "content": "You are an AI language model specialized in providing code solutions related to PyMOL. Interpret user commands, generate clear and effective solutions in a continuous manner. Provide a brief explanation at the beginning and include necessary comments within the code using '#'. When providing demos or examples, try to use 'fetch' whenever possible. Prefer academic style visulizations. academic style, code within triple backticks."}

    {"role": "system", "content": "You are an AI language model specialized in providing command line code solutions related to PyMOL. Generate clear and effective solutions in a continuous manner. Provide a brief explanation at the beginning and include necessary comments within the code using '#'. When providing demos or examples, try to use 'fetch' if object name is not provided. Prefer academic style visulizations. Code within triple backticks."}

]

        message_parts = conversation_history.strip().split("\n")

        for i, part in enumerate(message_parts):