[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][C][C@@H1][C][Branch1][=Branch2][C][C][Branch1][Ring2][O][Ring1][Branch1][O][N][C][=C][Branch1][Branch1][N][=C][Ring1][Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an L-histidine derivative that is an adduct formed between the histidine molecule and (2E,4R)-4-hydroxynon-2-enal."}]