[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a nitrone that is the N-oxido derivative of 4-[(tert-butylimino)methyl]phenol. It has a role as a radical scavenger, an antineoplastic agent and a mammalian metabolite. It is a nitrone and a member of phenols."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][C][C][N][Branch1][=N][C][=C][C][=C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][O]"}]