[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a penicillin. It has a role as an antibacterial drug."}, {"from": "gpt", "value": "[C][C][Branch2][Ring2][Branch2][C@@H1][Branch2][Ring1][#C][N][C@H1][Branch1][Ring2][S][Ring1][Branch1][C@@H1][Branch1][Branch1][C][Ring1][Branch1][=O][N][C][=Branch1][C][=O][C][Branch1][Branch2][C][C][C][C][C][Ring1][=Branch1][N][C][=Branch1][C][=O][O][C]"}]