[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an acyl sulfate where the acyl group is specified as acetyl. It is functionally related to a sulfonic acid."}]