0xc04b8d59?0xc04b8d59 is the function selector for exactInput((bytes,address,uint256,uint256,uint256)). Uniswap V3 multi-hop swap.
When a transaction's data begins with 0xc04b8d59, it is calling exactInput. The selector is the first four bytes of the keccak-256 hash of the signature exactInput((bytes,address,uint256,uint256,uint256)), which is how wallets and explorers work out which function a payload is for.