[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a monoterpenoid formally derived from citral by cyclisation. It is a volatile compound produced by a cyanobacteria. It has a role as a bacterial metabolite."}, {"from": "gpt", "value": "[C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][=O]"}]