[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][C][I].[N][#C][C][C@@H1][C][C][N][C][Ring1][Branch1]>>[C][C][N][C][C][C@@H1][Branch1][Ring2][C][C][#N][C][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[Cl].[O].[O][=C][Branch1][C][O-1][O-1].[K+1].[K+1]"}]