[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][Branch1][=C][NH0][Ring1][=Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid radical derived from tryptophan. It is functionally related to a tryptophan. It is a conjugate base of a tryptophanyl radical cation."}]