[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Br][C][=Branch1][Branch1][=C][N][Ring1][Branch2][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a non-proteinogenic alpha-amino acid that is tryptophan in which the hydrogen at position 5 on the indole ring is replaced by a bromo group. It is a bromoindole, a bromoamino acid, a tryptophan derivative and a non-proteinogenic alpha-amino acid. It is a tautomer of a 5-bromotryptophan zwitterion."}]