[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][=C][Branch1][P][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O].[K+1]"}, {"from": "gpt", "value": "The molecule is an organic potassium salt having 4-hydroxy-3-methoxybenzene-1-sulfonate as the counterion. Commonly used as an expectorant. It has a role as an expectorant. It is an organosulfonate salt and a potassium salt. It contains a 4-hydroxy-3-methoxybenzene-1-sulfonate."}]