MikroTik doesn't support HTTPS.

https://serverfault.com/questions/432914/setting-https-proxy-in-winbox-for-mikrotik https://forum.mikrotik.com/viewtopic.php?t=118980

But we can build HTTPS proxy using Squid & MikroTik.

https://docs.diladele.com/tutorials/mikrotik_transparent_squid/mangling.html