[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch1][=Branch1][N][N][=C][Ring1][Branch1][C][C][N]"}, {"from": "gpt", "value": "The molecule is pyrazole in which a hydrogen adjacent to one of the nitrogen atoms is substituted by a 2-aminoethyl group. It is a histamine H2-receptor agonist used clinically to test gastric secretory function. It has a role as a histamine agonist, a diagnostic agent and a gastrointestinal drug. It is a member of pyrazoles and a primary amino compound."}]