[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][=Branch2][C][C][=N][C][C][N][Ring1][Branch1][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an alpha-Adrenergic Blocker. The mechanism of action of phentolamine is as an Adrenergic alpha-Antagonist."}]