Transfer USDT between Bsc network and mainnet network on MetaMaskk

Hi everyone
i tried to use Binance bridge to move my USDT from BSC Network to Mainnet newtwork. but after I choose the ammount of my available USDT, The next buttom is off!
what should I do to do this.
Actually i want to submit the NFT in Rarible.com and an error accurs “Wrong Network, Change Network to mainnet” when i want to connect to my wallet
please gaude me Guys. thank you
Here is my screen Shot: