[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][S][C][C][Cl].[O][=N+1][Branch1][C][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1][O]>>[C][S][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "[C][C][#N].[O][=C][Branch1][C][O-1][O-1].[K+1].[K+1]"}]