[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch2][Ring2][=Branch1][N][C@@H1][Branch2][Ring1][N][C@@H1][Branch1][Branch1][C][Ring1][Ring2][=O][N][C][=Branch1][C][=O][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][N][S][C][Ring2][Ring1][Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a cephalosporin carboxylic acid anion having a 7beta-[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino side-chain, formed by proton loss from the carboxy group of the cephalosporin cefadroxil. It is a conjugate base of a cefadroxil."}]