[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a N-acetyl-L-amino acid that is the N-acetyl derivative of L-tryptophan. It has a role as a metabolite. It is a L-tryptophan derivative and a N-acetyl-L-amino acid. It is a conjugate acid of a N-acetyl-L-tryptophanate. It is an enantiomer of a N-acetyl-D-tryptophan."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][Branch1][#C][C][C][=C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][=Branch1][C][=O][O]"}]