[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a hydroxynitrile that is butanenitrile substituted by a hydroxy group at position 4. It has a role as an Arabidopsis thaliana metabolite. It is a hydroxynitrile and a primary alcohol."}, {"from": "gpt", "value": "[C][Branch1][Ring2][C][C][#N][C][O]"}]