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