[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][O][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][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][S][C][Ring2][Ring1][Ring2][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is dicarboxylate anion of (7R)-7-(5-carboxy-5-oxopentanamido)cephalosporanate acid. It is a cephalosporin carboxylic acid anion and a dicarboxylic acid dianion. It is a conjugate base of a (7R)-7-(5-carboxy-5-oxopentanamido)cephalosporanic acid."}]