[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][#Branch1][=C][N][Ring1][=Branch1][N][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-tryptophan derivative in which the indolyl ring nitrogen carries a nitroso substituent."}]