[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C@H1][C@@H1][Branch2][Branch1][#Branch2][C@H1][C@@H1][Branch2][Ring2][S][C][=Branch1][C][=O][C][=Branch2][Ring2][Ring1][=C][Branch2][Ring1][=C][C@][Ring1][#Branch1][Branch2][Ring1][#Branch1][C][=Branch1][C][=O][C][Ring1][N][=C][Branch1][N][C][=C][Ring1][S][C][=C][C][=C][Ring1][=Branch1][O][O][O][O][C][=Branch1][C][=O][N][N][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a synthetic, broad-spectrum tetracycline antibiotic exhibiting antimicrobial activity. Doxycycline binds to the 30S ribosomal subunit, possibly to the 50S ribosomal subunit as well, thereby blocking the binding of aminoacyl-tRNA to the mRNA-ribosome complex. This leads to an inhibition of protein synthesis. In addition, this agent has exhibited inhibition of collagenase activity."}]