[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an optically active form of O-isobutyrylcarnitine having (R)-configuration. It has a role as a human metabolite. It is an O-isobutyrylcarnitine, a methyl-branched fatty acyl-L-carnitine and a saturated fatty acyl-L-carnitine."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][N+1][Branch1][C][C][Branch1][C][C][C]"}]