[{"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].[C][N][C][=C][Branch1][Ring1][C][O][C][=N][Ring1][#Branch1]>>[C][N][C][=C][Branch1][O][C][O][S][Branch1][C][C][=Branch1][C][=O][=O][C][=N][Ring1][O]"}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][C].[Cl][C][Cl]"}]