[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a monounsaturated medium-chain fatty acid with a 10-carbon backbone. Decenoic acid is found rarely in nature."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O]"}]