[{"from": "human", "value": "Given the following chemical reaction, what are some potential reagents that could have been employed? [C][O][C][=Branch1][C][=O][C@@H1][Branch1][C][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1].[NH4+1]>>[N][C][=Branch1][C][=O][C@@H1][Branch1][C][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[Cl].[O].[OH1-1]"}]