[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a metabolite found in or produced by Saccharomyces cerevisiae."}, {"from": "gpt", "value": "[C][N][C][=N][C][=Branch1][C][=N][C][=C][Ring1][#Branch1][N][=C][N][Ring1][Branch1]"}]