[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C][=Branch1][C][=O][C][=Branch1][Branch2][=C][Branch1][Ring2][O][Ring1][=Branch1][O-1][C][C][=C][Branch2][Ring1][C][C][=Branch1][=C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][C][O]"}, {"from": "gpt", "value": "The molecule is major microspecies at pH 7.3 It is a tetronic acid derivative, a polyketide and a member of resorcinols. It is functionally related to a (R)-5-methyl-tetronate."}]