[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a member of pyrazolidines. It has a role as an anticoronaviral agent."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=N][N][Branch1][=C][C][Branch1][Ring2][C][Ring1][Branch1][C][=C][C][=C][O][Ring1][Branch1][C][=Branch1][C][=O][C][Cl]"}]