[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][O][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][NH1][NH1][C][Ring1][=Branch1][=O]>>[O][=C][Branch1][C][O][C][N][C][=Branch1][C][=O][NH1][NH1][C][Ring1][=Branch1][=O]"}, {"from": "gpt", "value": "[Cl].[Na+1].[OH1-1]"}]