[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an aminopyridine that is 3-aminopyridine carrying an additional iodo substituent at postion 4. It has a role as a Saccharomyces cerevisiae metabolite. It is an aminopyridine and an organoiodine compound."}, {"from": "gpt", "value": "[C][=C][N][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][I][N]"}]