[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a leucine derivative. It has a role as an anticoronaviral agent."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C@@H1][C][C][N][C][Ring1][Branch1][=O][C][=O][N][C][=Branch1][C][=O][O][C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Branch1][C][C][Branch1][C][C][C]"}]