[{"from": "human", "value": "Describe this molecule. [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]"}, {"from": "gpt", "value": "The molecule is the N-acetyl derivative of D-tryptophan. It is a D-tryptophan derivative and a N-acetyl-D-amino acid. It is a conjugate acid of a N-acetyl-D-tryptophanate. It is an enantiomer of a N-acetyl-L-tryptophan."}]