[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a tetrapeptide composed of L-alanine, glycine, L-alanine, and glycine residues joined in sequence by peptide linkages. It is functionally related to a L-alanine and a glycine."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring1][O][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N]"}]