SMILES: C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O)O[C@H]2[C@@H]([C@@H]([C@H]([C@@H](O2)C)O)O)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O[C@H]4[C@@H]([C@@H]([C@H]([C@@H](O4)C)O)O)O)NC(=O)C)O)O
Description: The molecule is an amino tetrasaccharide comprising an acetylated glucosamine residue and three alpha-L-rhamnose residues, one of which is at the reducing end.