[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch2][Ring1][P][=C][Branch2][Ring1][N][C][=C][Ring1][=Branch1][C][C][Ring1][=Branch2][Branch1][P][C][O][C][=C][Ring1][=Branch1][C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an organic heterotetracyclic compound 7,11b-dihydroindeno[2,1-c]chromene carrying five hydroxy substituents at positions 3, 4, 6a, 9 and 10. The most important and most used dye in histology, histochemistry, histopathology and in cytology. It has a role as a plant metabolite and a histological dye. It is an organic heterotetracyclic compound, a polyphenol, a tertiary alcohol and an oxacycle."}]