[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][I].[C][O][C][=C][N][=C][Branch1][C][Cl][NH1][C][Ring1][#Branch1][=O]>>[C][O][C][=C][N][=C][Branch1][C][Cl][N][Branch1][C][C][C][Ring1][Branch2][=O]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[O].[O][=C][Branch1][C][O-1][O-1].[Cs+1].[Cs+1]"}]