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