[{"from": "human", "value": "Provide a brief overview of this molecule. [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][N][S][C][Ring2][Ring1][Ring2][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a first-generation cephalosporin antibiotic with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton. It has a role as an antibacterial drug. It is a cephalosporin and a beta-lactam antibiotic allergen."}]