[{"from": "human", "value": "Describe this molecule. [C@H1][Branch1][=C][C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is an arabinarate(2-). It is a conjugate base of a D-arabinarate(1-). It is an enantiomer of a L-arabinarate(2-)."}]