[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a synthetic tetrapeptide comprising Ac-Cha, Arg, Tic and Met-NH2 residues coupled in sequence."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][C][C][C][C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C@H1][Ring1][#Branch2][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][C][S][C][C][=Branch1][C][=O][N]"}]