[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an imidazolidine-2,4-dione substituted by a guanidino group at position 5. It is a member of guanidines and an imidazolidine-2,4-dione. It is functionally related to a hydantoin."}, {"from": "gpt", "value": "[C][Branch1][=N][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][#Branch1][N][=C][Branch1][C][N][N]"}]