[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a cephalosporin. It is functionally related to a cephalosporanic acid. It is a conjugate acid of a (7R)-7-(4-carboxylatobutanamido)cephalosporanate."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][C][=C][Branch2][Ring1][#C][N][C@@H1][Branch2][Ring1][Branch1][C@@H1][Branch1][Branch1][C][Ring1][Ring2][=O][N][C][=Branch1][C][=O][C][C][C][C][=Branch1][C][=O][O][S][C][Ring2][Ring1][C][C][=Branch1][C][=O][O]"}]