[{"from": "human", "value": "Describe this molecule. [C][C][NH1+1][Branch1][Ring1][C][C][C][C][=Branch1][C][=O][N][C][=C][Branch1][Branch2][C][=C][C][=C][Ring1][=Branch1][C][C].[Cl-1]"}, {"from": "gpt", "value": "The molecule is the anhydrous form of the hydrochloride salt of lidocaine. It has a role as a local anaesthetic and an anti-arrhythmia drug. It contains a lidocaine."}]