[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][C][C][N][Branch1][Ring2][C][C][C][C][C][C][C][#N]>>[C][C][C][N][Branch1][Ring2][C][C][C][C][C][C][C][N]"}, {"from": "gpt", "value": "[C][C][O].[H][H].[Na+1].[Ni].[OH1-1]"}]