[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][S][=Branch1][C][=O][=Branch1][C][=O][Cl].[O][=C][C][C][C@@H1][Branch1][Ring1][C][O][N][Ring1][#Branch1]>>[C][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C@@H1][C][C][C][=Branch1][C][=O][N][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][C].[C][C][O].[Cl][C][Cl]"}]