[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][C][=C][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is found in black walnut. 1-Methylnaphthalene is a flavouring ingredient."}]