[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][O][C][=Branch1][C][=O][Cl].[N][C][Branch1][Ring1][C][O][C][O]>>[C][C][O][C][=Branch1][C][=O][N][C][Branch1][Ring1][C][O][C][O]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[O].[O][=C][Branch1][C][O-1][O-1].[Na+1].[Na+1]"}]