[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=C][C@@H1][C][C][C@][Branch1][=C][C][C][C][C][=Branch1][C][=C][C@@H1][Ring1][#Branch1][C][Ring1][O][C]"}, {"from": "gpt", "value": "The molecule is an optically active form of beta-selinene having (+)-(4aR,7R,8aS)-configuration. It is an enantiomer of a (-)-beta-selinene."}]