[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][=Branch2][Ring2][P][=C][Branch2][Ring1][C][C][=C][Ring1][=Branch1][C][=Branch1][=Branch2][=C][C][=Branch1][C][=O][O][Ring1][#Branch1][O][C][C][=C][Branch2][Ring1][Branch1][C][=C][Branch1][S][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][O][C][C][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of 8,8'-bicoumarins resulting from the formal oxidative dimerisation of 4,7-dimethoxy-5-methyl-2H-chromen-2-one (the S-(+) enantiomer). A fungal metabolite, its isolation from Aspergillus clavatus was first reported in 1971. It has a role as a metabolite. It is functionally related to an orlandin."}]