CEFSharp how to login to google account?

Question

Google

Hello dear.
Working with the browser in C#.WinForms, or rather, you just need to log in to Google)
We use only CEF.
I can't use browser-based OAuth authentication! Only pure browser, only hardcore.
Consider this information: https://security.googleblog.com/2019/04/better-pro...
Thank you.
PS Ready to pay, so I'm waiting for any options. Urgently!
I will pay 1500 rubles.