[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][C][=Branch1][C][=O][Cl].[O][C][C][C][C][O]>>[C][C][=Branch1][C][=O][O][C][C][C][C][O]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[C][C][O][C][C].[O][=C][Branch1][C][O-1][O-1].[H-1].[K+1].[K+1].[Na+1]"}]