[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a pseudohalide anion and an organonitrogen compound. It has a role as a human metabolite. It is a conjugate base of an isocyanic acid and a cyanic acid."}, {"from": "gpt", "value": "[C][=Branch1][C][=N-1][=O]"}]