How to properly set up a sitemap on wp for multisite with subdirectories?

Question

Search Engine Optimization

There is a multisite with the following structure
site.com
site.com/blog1
site.com/blog2

How would you specify the sitemap correctly?

Option 1
Write several cards in robots.txt

Option 2
Make 1 file that will contain links from subcategories.

ps If the correct option is 2, how to implement it?

Answer 1

You can also use the second option. The main thing is that the map meets the requirements https://developers.google.com/search/docs/advanced...