[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an octadecadienoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][Branch2][Ring1][Branch1][/C][=C][/C][=C][/C][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][O]"}]