[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][O][C][=Branch1][C][=O][Cl].[C][C][=C][C][Branch1][C][N][=C][C][=C][Ring1][#Branch1][Br]>>[C][O][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][Br][C][Branch1][C][C][=C][Ring1][Branch2]"}, {"from": "gpt", "value": "[Cl][C][Cl].[O].[O][=C][Branch1][C][O-1][O].[Na+1]"}]