[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [N][#C][C][=C][C][=C][N][=C][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2]>>[N][C][C][=C][C][=C][N][=C][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][O].[N].[Ni]"}]