[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a primary aliphatic amine that is pentan-3-amine substituted by methyl groups at positions 2 and 4. Metabolite observed in cancer metabolism. It has a role as a human metabolite."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][Branch1][=Branch1][C][Branch1][C][C][C][N]"}]