[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a hydrochloride which has procainamide as the amino component. It has a role as an anti-arrhythmia drug. It contains a procainamide."}, {"from": "gpt", "value": "[H+1].[C][C][N][Branch1][Ring1][C][C][C][C][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N].[Cl-1]"}]