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