[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][Branch1][N][C][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=C][C][=C][C][=Branch1][N][=N+1][Branch1][C][C][C][C][C][=Branch1][C][=O][O][C][=C][Ring1][=N][O][Ring2][Ring1][Ring1]"}, {"from": "gpt", "value": "The molecule is an iminium betaine. It has a role as a fluorochrome."}]