[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a lilac aldehyde."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][Ring1][C][=O][C@@H1][C][C][C@@][Branch1][Ring2][O][Ring1][Branch1][Branch1][C][C][C][=C]"}]