[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Branch2][Ring1][Branch1][/C][=C][/C][=C][/C][Branch1][N][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][C][O]"}, {"from": "gpt", "value": "The molecule is an octadecadienoic acid."}]