[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a sibirene. It is an enantiomer of a 5alpha,10beta-sibirene."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][=C][C@@H1][C][=Branch1][C][=C][C][C][C][C@][Ring1][#Branch1][Branch1][Branch1][C][C][Ring1][O][C]"}]