[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][N][Branch1][=Branch1][C][C][C][C][#N][C][C][Ring1][O]>>[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][N][Branch1][=Branch1][C][C][C][C][N][C][C][Ring1][O]"}, {"from": "gpt", "value": "[C][O].[N].[Ni]"}]