[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an undecenoic acid having its double bond in the 2-position. It is an undecenoic acid and an alpha,beta-unsaturated monocarboxylic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O]"}]