Wordpress duplicate post to other the language translate polylang wpml

i have a English website, but in this website I have 400 post in spanish (all spanish), I want to duplicate them to English and erase the spanish post, I dont need language or flag switcher, just make the translation wit a bot, plug in or what ever the tool you are using. no trace of switcher.

- Each post contain between 800 a 1000 words.
- Tittle must be translated
- Permalink also must be translated
- Content must be translate

If its posible

- Translate Yoast SEO (if this is not a problem to you this also can be translated) not necessary
- images