[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][C][C][=Branch1][C][=O][N][C][=C][C][=Branch2][Branch1][O][=C][C][C@H1][C][C@H1][C@@H1][Branch2][Ring2][=N][C][=Branch1][C][=O][C][=Branch2][Ring1][S][=C][Branch2][Ring1][O][C@][Ring1][#Branch1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C][Ring1][N][=C][Branch1][=Branch2][C][Ring1][S][=C][Ring2][Ring1][Ring2][O][O][O][O][C][=Branch1][C][=O][N][N][Branch1][C][C][C][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a broad-spectrum glycylcycline antibiotic derived from tetracycline. Tigecycline binds to the 30S ribosomal subunit, thereby interfering with the binding of aminoacyl-tRNA to the mRNA-ribosome complex. This prevents the incorporation of amino acid residues into the elongating peptide chain, inhibiting protein synthesis and eventually bacterial cell growth."}]