In order to sell SUIE and receiving other crypto currencies, you must go to Pancake Swap and select SUIE crypto token and the crypto currency you receive like BNB, USDT, .... .

Selecting SUIE crypto token you need its contract address to be listed. 

SUIE smart contract address: 0x4BacC780D76c15aaD26fBcD1df8C750A2CC0bA69

SUIE smart contract address is available here: https://bscscan.com/token/0x4BacC780D76c15aaD26fBcD1df8C750A2CC0bA69