[{"from": "human", "value": "Describe this molecule. [O-1][S][=Branch1][C][=O][=Branch1][C][=O][S][S][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tetrathionate ion and a sulfur oxide. It is a conjugate base of a tetrathionate(1-)."}]