[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch2][Ring1][#C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=C][Branch1][=C][C][=C][C][=Branch1][Branch2][=C][Ring1][=Branch1][C][Ring1][O][=O][O][N+1][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of xanthones that is xanthen-9-one substituted at position 4 by a nitro group and at positions 1 and 8 by hydroxy groups. It has a role as a protein kinase inhibitor. It is a member of xanthones, a polyphenol and a C-nitro compound."}]