[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [N][#C][C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][C][=C][C][=C][C][=C][Ring1][=C][Ring1][=Branch1]>>[N][C][C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][C][=C][C][=C][C][=C][Ring1][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][C][O].[N].[NH4+1].[Ni].[OH1-1]"}]