[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][/C][=C][\\C][C][C][C][C][C][C][C][C][C][=O]"}, {"from": "gpt", "value": "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."}]