[{"from": "human", "value": "Describe this molecule. [C][C][=C][N][N][=C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is used as an antidote in confirmed or suspected methanol or ethylene glycol poisoning. Fomepizole is a competitive inhibitor of alcohol dehydrogenase, the enzyme that catalyzes the initial steps in the metabolism of ethylene glycol and methanol to their toxic metabolites."}]