[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a xanthene dye. It has a role as a fluorochrome."}, {"from": "gpt", "value": "[C][C][S][As][Branch1][Ring2][S][Ring1][Branch1][C][=C][Branch2][Ring1][S][C][=C][C][=C][Ring1][=Branch1][O][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][=C][C][=Branch1][O][=C][Ring1][Branch2][As][S][C][C][S][Ring1][Branch1][O][O]"}]