async function fetchData() {
  try {
    // Get textarea and its data-id attribute
    const textarea = document.getElementById('prompt-textarea');
    const messageId = textarea.getAttribute('data-id');

    // Extract conversation_id from URL
    const url = window.location.href;
    const conversationId = url.split('/').pop();

    // Perform GET request to obtain Bearer token
    const authResponse = await fetch('https://chatgpt.com/api/auth/session', {
      method: 'GET',
      headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36'
      }
    });
    const authData = await authResponse.json();
    const accessToken = authData.accessToken;

    // Perform GET request using Bearer token and conversation_id
    const response = await fetch(`https://chatgpt.com/backend-api/synthesize?message_id=${messageId}&conversation_id=${conversationId}&voice=breeze&format=mp3`, {
      method: 'GET',
      headers: {
        'Authorization': `Bearer ${accessToken}`,
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36'
      }
    });

    if (!response.ok) {
      throw new Error('Network response was not ok');
    }

    // Convert response to blob
    const blob = await response.blob();

    // Create a temporary anchor element to trigger the download
    const _url = window.URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.style.display = 'none';
    a.href = _url;
    a.download = `${messageId}.mp3`;
    document.body.appendChild(a);
    
    // Trigger the download
    a.click();

    // Clean up
    window.URL.revokeObjectURL(_url);
    a.remove();
  } catch (error) {
    console.error('Error:', error);
  }
}

fetchData();