[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][N][C][=C][Ring1][Branch2][/C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\N]"}, {"from": "gpt", "value": "The molecule is a 2,3-dehydroamino acid derived from 7-chlorotryptophan. It is a tautomer of a 2-iminio-3-(7-chloroindol-3-yl)propionate."}]