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