[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][=Branch1][S][=C][Branch1][N][N][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][/C][=C][/C][=N+1][Branch2][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][N][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is an anthelmintic effective for pinworms. Several forms of pyrvinium have been prepared with variable counter anions, such as halides, tosylate, triflate and pamoate. Pyrvinum's anti-cancer properties are currently under investigation."}]