[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an organic sodium salt having 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonate as the counterion. It has a role as a dye and an environmental contaminant. It contains a 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonate."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch2][Ring1][#Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][Ring2][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O].[Na+1]"}]