[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a hexadecenal containing a double bond at position 11 (the cis-stereoisomer). Major pheromone component detected in the whole-animal male Helicoverpa zea antennal preparations It has a role as a pheromone and an epitope."}, {"from": "gpt", "value": "[C][C][C][C][/C][=C][\\C][C][C][C][C][C][C][C][C][C][=O]"}]