[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a polyamine that has a similar structure to tetradecane but the carbons at positions 1, 5, 10 and 14 are replaced by nitrogens. Spermine plays a broad role in cellular metabolic processes."}, {"from": "gpt", "value": "[C][Branch1][Branch2][C][C][N][C][C][C][N][C][N][C][C][C][N]"}]