[{"from": "human", "value": "Describe this molecule. [C][C][C][C@H1][C][C][C][C@@H1][Ring1][Branch1][C][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is a trans-hydrindane. It is an enantiomer of a (R,R)-hydrindane."}]