[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][N][C][C][Branch1][#C][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a beta2-Adrenergic Agonist. The mechanism of action of metaproterenol is as an Adrenergic beta2-Agonist."}]