[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an undecenoate that is the conjugate base of 10-undecenoic acid. It has a role as a plant metabolite. It is a conjugate base of a 10-undecenoic acid."}, {"from": "gpt", "value": "[C][=C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}]