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