[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][C][O][C][=Branch1][C][=O][Cl].[N][#C][C][N]>>[C][C][O][C][=Branch1][C][=O][N][C][C][#N]"}, {"from": "gpt", "value": "[O].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[Na+1].[OH1-1]"}]