[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][C][O][C][=Branch1][C][=O][C][C][C][Branch1][Ring1][C][C][=N][NH1][C][=Ring1][#Branch1][C][C]>>[C][C][C][=N][NH1][C][Branch1][Ring1][C][C][=C][Ring1][#Branch1][C][C][O]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[O].[Al+3].[H-1].[H-1].[H-1].[H-1].[Li+1]"}]