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