[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][N][C][=C][Ring1][Branch2][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-tryptophan derivative having a chloro substituent at the 7-position. It is a L-tryptophan derivative, a 7-chlorotryptophan and a non-proteinogenic L-alpha-amino acid. It is an enantiomer of a 7-chloro-D-tryptophan. It is a tautomer of a 7-chloro-L-tryptophan zwitterion."}]