[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][C][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][N+1][=Branch1][C][=O][O-1]>>[C][C][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][N]"}, {"from": "gpt", "value": "[C][O].[O].[Cl-1].[NH4+1].[Zn]"}]