[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a monocarboxylic acid that is propionic acid carrying a 3-hydroxyphenyl substituent at C-3. It has a role as a human xenobiotic metabolite and an Escherichia coli metabolite. It is functionally related to a propionic acid. It is a conjugate acid of a 3-(3-hydroxyphenyl)propanoate."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][C][C][=Branch1][C][=O][O]"}]