[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of xanthenes."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch2][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][O][C][=C][C][=Branch1][C][=O][C][=C][C][Ring1][#Branch1][=C][Ring1][S][C][=C][Branch1][Ring2][O][Ring1][=Branch1][O]"}]