[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a trans-gamma-himachalene. It is an enantiomer of a (1R,6R)-gamma-himachalene."}, {"from": "gpt", "value": "[C][C][=C][C@H1][C@H1][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][O][=C][C][C][C][Ring1][=Branch2][Branch1][C][C][C][C]"}]