[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an isochromene. It is a tautomer of a 1H-isochromene."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][O][Ring1][#Branch2]"}]