[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a histidine derivative."}, {"from": "gpt", "value": "[C][N+1][Branch1][C][C][Branch1][C][C][C@@H1][Branch1][=N][C][C][=C][N][=C][Branch1][Ring2][N][Ring1][Branch1][S][O][C][=Branch1][C][=O][O]"}]