[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a class of xanthene derivatives with fluorescent properties that are used as tracer dyes in a wide variety of industrial and laboratory applications."}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch2][Ring1][Branch1][=C][C][=C][C][=Branch1][Branch2][=N+1][Branch1][Ring1][C][C][C][C][C][=C][Ring1][O][O][Ring1][P][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}]