[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a haloacetic acid that is acetic acid in which one of the methyl hydrogens is substituted by fluorine. It has a role as an EC 4.2.1.3 (aconitate hydratase) inhibitor. It is an organofluorine compound and a haloacetic acid. It is a conjugate acid of a fluoroacetate."}, {"from": "gpt", "value": "[C][Branch1][=Branch1][C][=Branch1][C][=O][O][F]"}]