[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an antidepressant that has been withdrawn from the market. It is a reversible monoamine oxidase inhibitor (MAOI) of both A and B monoamine oxidase subtypes. However, it presents a five-fold preference for the MAO-B subtype."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][Ring1][O][C][C][=Branch1][C][=O][N]"}]