[{"from": "human", "value": "Can you provide potential reagents for the following chemical reaction? [C][C][=C][C][=C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][=C][Ring1][=Branch2][I]>>[C][C][=C][C][=C][C][Branch1][Ring1][C][O][=C][Ring1][Branch2][I]"}, {"from": "gpt", "value": "[O][=S][Branch1][C][Cl][Cl]"}]