[{"from": "human", "value": "Describe this molecule. [C][C][C][C][N][C][=Branch1][C][=O][C][=Branch2][Ring1][#C][=C][/C][=C][/C][=C][\\N][Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1][O][/-Ring1][=Branch2][C][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=Branch1][C][=O][N][Branch1][=Branch1][C][Ring2][Ring1][N][=S][C][C][C][C].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt. It has a role as a fluorochrome. It contains a merocyanine 540 anion."}]