[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][O].[O][=C][Branch1][C][O][C][=C][C][=C][C][NH1][C][=C][C][Ring1][=Branch2][=Ring1][Branch1]>>[C][O][C][=Branch1][C][=O][C][=C][C][=C][C][NH1][C][=C][C][Ring1][=Branch2][=Ring1][Branch1]"}, {"from": "gpt", "value": "[C][=N+1][=N-1].[C][C][O][C][C].[O][=S][=Branch1][C][=O][Branch1][C][O-1][O-1].[Mg+2]"}]