[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][C@@H1][C][C@H1][Branch1][=Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a nucleoside analogue and antiviral inhibitor of hepatitis B virus (HBV) replication which is used alone and in combination with other agents in the therapy of the hepatitis B. Telbivudine does not appear to be a significant cause of drug induced liver injury, but can be associated with flares of the underlying hepatitis B either during therapy or upon withdrawal."}]