[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][=Branch1][=Branch1][=N][N][=N][Ring1][Branch1][S][C][C][=C][Branch2][Ring2][Ring1][N][C@@H1][Branch2][Ring1][=Branch2][C@@H1][Branch1][Branch1][C][Ring1][Ring2][=O][N][C][=Branch1][C][=O][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O][S][C][Ring2][Ring1][Ring2][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a cephalosporin carboxylate anion having (R)-mandelamido and N-methylthiotetrazole side-groups. It is a conjugate base of a cefamandole."}]