[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][=C][Branch2][Ring2][#C][C][=Branch2][Ring2][#Branch2][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][P][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][C][O][C@][Branch2][Ring1][C][C@H1][Branch1][=C][C][=C][C][=Branch1][C][=O][C][Ring1][#Branch1][=C][Ring1][=C][O][O][C][O][O][C][=Branch2][Ring1][=Branch1][=C][C][=Branch1][C][=O][C][=C][C@@H1][Branch1][O][C@@][Ring1][#Branch1][Branch1][Branch1][O][Ring2][Ring2][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a biaryl that is 5,5',10a,10a'-tetrahydro-9H,9'H-2,2'-bixanthene-9,9'-dione substituted by hydroxy groups at positions 1, 1', 5, 5', 8 and 8' and methyl groups at positions 3, 3', 10a and 10a'. Isolated from the cultures of a Hawaiian isolate of the fungus Phoma species, it exhibits antibacterial activity. It has a role as an antibacterial agent and a fungal metabolite. It is a member of xanthones, a polyphenol, a biaryl and a polyketide."}]