[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][C][C][Branch1][C][F][C][=C][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][C][Branch1][C][Br][=C][Ring1][#Branch2][Cl]>>[C][C][C][Branch1][C][F][C][=C][C][Branch1][C][N][=C][C][Branch1][C][Br][=C][Ring1][Branch2][Cl]"}, {"from": "gpt", "value": "[C][C][#N].[C][O].[Cl].[O].[Cl-1].[Cl-1].[Cl-1].[Ti+3]"}]