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