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