SMILES: C[C@@H](C(=O)NCC(=O)N[C@@H](C)C(=O)NCC(=O)O)N
Description: The molecule is a tetrapeptide composed of L-alanine, glycine, L-alanine, and glycine residues joined in sequence by peptide linkages. It derives from a L-alanine and a glycine.