[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [N][C][=N][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][O].[NH4+1]>>[N][C][=Branch1][C][=O][C][=C][C][Branch1][C][Br][=C][N][=C][Ring1][#Branch1][N]"}, {"from": "gpt", "value": "[Br].[C][C][N][Branch1][Ring1][C][C][C][C].[C][C][P][=Branch1][C][=O][Branch1][Ring1][C][#N][C][C].[C][O][C][C][O][C].[Cl-1]"}]