[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][C][C][C][C][I].[C][=C][C][=C][Branch1][N][C][N][C][C][=C][C][=C][C][=N][Ring1][=Branch1][N][=C][Ring1][#C]>>[C][C][C][C][C][N][Branch1][#Branch2][C][C][=C][C][=C][C][=N][Ring1][=Branch1][C][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[K+1].[OH1-1]"}]