[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a synthetic tetrapeptide comprising Ac-Cha, Cpg, Disc 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][S][C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=N][N][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C@H1][Ring1][=Branch2][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][C][S][C][C][=Branch1][C][=O][N]"}]