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