[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][C][O].[N][C][=N][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]>>[C][C][O][C][=Branch1][C][=O][C][=C][C][=C][N][=C][Ring1][=Branch1][N]"}, {"from": "gpt", "value": "[O][=C][Branch1][C][O-1][O-1].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[Na+1].[Na+1]"}]