[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][/C][=C][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2,3-dihydroxycinnamic acid. It has a role as an Escherichia coli metabolite. It is functionally related to a trans-cinnamic acid. It is a conjugate acid of a 2,3-dihydroxy-trans-cinnamate."}]