[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][O][C][=Branch1][C][=O][C][=C][N][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][I]>>[O][C][C][=C][N][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][I]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[C][C][Branch1][C][C][C][Al+1][C][C][Branch1][C][C][C].[Cl][C][Cl].[H-1]"}]