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