[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [O][=C][Branch1][C][Cl][O][C][Cl].[O][=C][C][C][N][C][C][Ring1][=Branch1]>>[O][=C][C][C][N][Branch1][Branch2][C][=Branch1][C][=O][O][C][Cl][C][C][Ring1][O]"}, {"from": "gpt", "value": "[C][C][O][C][C].[Cl].[O].[O].[Na+1].[OH1-1]"}]