[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][Branch1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][#N].[C][=C][C][=C][Branch1][#C][C][=C][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=Branch1][Ring2][=C][Ring1][=C][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an organosulfonate salt composed from 2-methoxy-4-nitrobenzene-1-diazonium and 5-sulfonaphthalene-1-sulfonate in a 1:1 ratio. Used for demostrating enterochromaffin in carcinoid tumours. It has a role as a histological dye. It contains a 2-methoxy-4-nitrobenzenediazonium."}]