[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a tripeptide composed of glycine, L-leucine and L-methioninamide joined in sequence by peptide linkages. It is a C-terminal fragment of substance P. It is functionally related to a glycine, a L-leucine and a L-methioninamide. It is a conjugate base of a Gly-L-Leu-L-Met-NH2(1+)."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@@H1][Branch2][Ring1][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][C][S][C][C][=Branch1][C][=O][N][N][C][=Branch1][C][=O][C][N]"}]