[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][=N][C][=N][N][Ring1][Branch1][C][C][C][O][Si][Branch1][C][C][Branch1][C][C][C][Branch1][C][C][Branch1][C][C][C]>>[C][C][=N][C][=N][N][Ring1][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "[C][O].[F-1].[NH4+1]"}]