[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Ring1][C][#N][C][Branch1][C][Br][=C][Ring1][=Branch2]>>[N][#C][C][=C][C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][=Branch2][Br]"}, {"from": "gpt", "value": "[C][O].[Cl][C][Cl].[Na+1].[OH1-1]"}]