[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an alpha-amino acid that is 2,7-diaminoheptanoic acid substituted by a imino group at position 7 (the 2S stereoisomer). It has a role as a hepatotoxic agent and a plant metabolite. It is a carboxamidine and a non-proteinogenic L-alpha-amino acid."}, {"from": "gpt", "value": "[C][Branch1][Branch2][C][C][C][=Branch1][C][=N][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]