[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a branched amino tetrasaccharide consisting of beta-D-galactose at the reducing end having an N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-beta-D-galactosyl moiety attached at the 4-position. It is an amino tetrasaccharide and a galactosamine oligosaccharide."}, {"from": "gpt", "value": "[C][C@H1][C@H1][Branch2][#Branch1][Branch1][C@H1][Branch2][=Branch1][S][C@@H1][Branch2][=Branch1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][#C][C@H1][Branch2][Ring1][=Branch2][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch1][=C][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][O][O][C@@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][N][C][=Branch1][C][=O][C][O][O][O]"}]