[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a pentapeptide comprised of five glycine residues."}, {"from": "gpt", "value": "[C][Branch2][Ring1][=C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N]"}]