[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][O][C][O][C][=C][C][=C][C][Branch1][Ring1][O][C][=C][Ring1][Branch2][I]>>[C][O][C][=C][C][=C][C][Branch1][C][O][=C][Ring1][#Branch1][I]"}, {"from": "gpt", "value": "[Cl].[Cl][C][Cl].[O][=C][Branch1][C][O-1][O].[Na+1]"}]