[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][C][Branch2][Ring1][Branch1][C][N][C][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a propanolamine that is 3-aminopropane-1,2-diol in which the hydrogen of the primary hydroxy group is substituted by 3-methylphenyl and one of the hydrogens attached to the nitrogen is substituted by 2-(3,4-dimethoxyphenyl)ethyl. A beta1 adrenoceptor antagonist, it has been shown to be as effective as other beta-blockers for the treatment of angina pectoris and hypertension. It has a role as a beta-adrenergic antagonist, a calcium channel blocker, an antihypertensive agent and an anti-arrhythmia drug."}]