[{"from": "human", "value": "What can you tell me about 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 with (R,R)-configuration. It is an enantiomer of a (S,S)-hydrindane."}]