[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][N][=C][Branch1][C][N][N][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is a member of the class of biguanides that is biguanide in which one of the terminal nitrogen atoms is substituted by a 2-phenylethyl group. It was used as an anti-diabetic drug but was later withdrawn from the market due to potential risk of lactic acidosis. It has a role as an antineoplastic agent, a geroprotector and a hypoglycemic agent. It is functionally related to a biguanide."}]