[{"from": "human", "value": "Given the following chemical reaction, what are some potential reagents that could have been employed? [C][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][C][C][Ring1][#Branch1].[N][O]>>[C][C][=Branch1][C][=O][N][C][C][C][=Branch1][Ring1][=N][O][C][C][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][O].[Cl].[O][=C][Branch1][C][O-1][O-1].[Na+1].[Na+1]"}]