[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is found in black walnut. 1-Methylnaphthalene is a flavouring ingredient."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1]"}]