[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][O][C][=C][C][Branch1][=Branch1][O][C][C][S][C][=C][C][=C][Ring1][O][N+1][=Branch1][C][=O][O-1]>>[C][O][C][=C][C][Branch1][=Branch1][O][C][C][S][C][=C][C][=C][Ring1][O][N]"}, {"from": "gpt", "value": "[C][O].[Cl-1].[NH4+1].[Zn]"}]